| Observation | Connected milestones | Expected ages | 
|---|
        
        
            | Briefly looks at objects | 1 | 0
                    mos. | 
        
    
        
        
            | Calms to caregiver’s voice | 1 | 0
                    mos. | 
        
    
        
        
            | Can sleep 4-5 hours at night | 1 | 0
                    mos. | 
        
    
        
        
            | Communicates needs through behaviors | 1 | 0
                    mos. | 
        
    
        
        
            | Follows face | 4 | 0 – 2
                    mos. | 
        
    
        
        
            | Has an undifferentiated cry | 1 | 0
                    mos. | 
        
    
        
        
            | Has periods of wakefulness | 2 | 0
                    mos. | 
        
    
        
        
            | Is able to suck, swallow, and breathe | 1 | 0
                    mos. | 
        
    
        
        
            | Is responsive to calming actions when upset | 2 | 0 – 1
                    mos. | 
        
    
        
        
            | Moves head from side to side while lying on stomach | 2 | 0 – 1
                    mos. | 
        
    
        
        
            | Moves in response to auditory stimuli | 1 | 0
                    mos. | 
        
    
        
        
            | Moves in response to visual stimuli | 1 | 0
                    mos. | 
        
    
        
        
            | Prefers to look faces when presented at close distances | 4 | 0 – 2
                    mos. | 
        
    
        
        
            | Responsive to parent's touch | 1 | 0
                    mos. | 
        
    
        
        
            | Responsive to parent's voice | 1 | 0
                    mos. | 
        
    
        
        
            | Scans surroundings without focus on anything in particular | 1 | 0
                    mos. | 
        
    
        
        
            | Strong reflex movements (eg. sucks, startles to sound, palmer grasp) | 2 | 0 – 1
                    mos. | 
        
    
        
        
            | Alerts to sound | 2 | 1 – 2
                    mos. | 
        
    
        
        
            | Alerts to voice | 2 | 1 – 2
                    mos. | 
        
    
        
        
            | Avoids bitter or acidic smells | 1 | 1
                    mos. | 
        
    
        
        
            | Brings hand close to face | 2 | 1
                    mos. | 
        
    
        
        
            | Chest up in prone position | 4 | 1 – 3
                    mos. | 
        
    
        
        
            | Chin up in prone position | 1 | 1
                    mos. | 
        
    
        
        
            | Cries because of distress | 1 | 1
                    mos. | 
        
    
        
        
            | Dislikes rough or abrupt handling | 1 | 1
                    mos. | 
        
    
        
        
            | Eyes wander and occasionally cross | 1 | 1
                    mos. | 
        
    
        
        
            | Focuses 8 to 12 inches (20.3 to 30.4 cm) away | 1 | 1
                    mos. | 
        
    
        
        
            | Head flops backward if unsupported | 1 | 1
                    mos. | 
        
    
        
        
            | Hearing is fully mature | 1 | 1
                    mos. | 
        
    
        
        
            | Keeps hands in tight fists | 2 | 1
                    mos. | 
        
    
        
        
            | Makes jerky, quivering arm thrusts | 1 | 1
                    mos. | 
        
    
        
        
            | Makes throaty noises | 2 | 1 – 2
                    mos. | 
        
    
        
        
            | Preferentially gazes at black/white objects | 2 | 1
                    mos. | 
        
    
        
        
            | Prefers soft to coarse sensations | 1 | 1
                    mos. | 
        
    
        
        
            | Prefers sweet smells | 1 | 1
                    mos. | 
        
    
        
        
            | Reciprocal (social) smile | 3 | 1 – 3
                    mos. | 
        
    
        
        
            | Recognize some sounds (like parent's voice) | 3 | 1
                    mos. | 
        
    
        
        
            | Recognizes the scent of mother’s breastmilk | 1 | 1
                    mos. | 
        
    
        
        
            | Smiles sponatneously | 3 | 1 – 4
                    mos. | 
        
    
        
        
            | Startles to sound | 1 | 1
                    mos. | 
        
    
        
        
            | Startles to voice | 1 | 1
                    mos. | 
        
    
        
        
            | Sucks breast or bottle well | 1 | 1
                    mos. | 
        
    
        
        
            | Turns head in supine position | 1 | 1
                    mos. | 
        
    
        
        
            | Turns head toward direction of sound | 4 | 1 – 4
                    mos. | 
        
    
        
        
            | Acts bored | 2 | 2
                    mos. | 
        
    
        
        
            | Can briefly calm himself | 2 | 2
                    mos. | 
        
    
        
        
            | Coos, making vowel like noises | 4 | 2
                    mos. | 
        
    
        
        
            | Follows large, highly contrasting objects | 2 | 2
                    mos. | 
        
    
        
        
            | Hands unfisted 50% | 3 | 2 – 3
                    mos. | 
        
    
        
        
            | Has clear behaviors to indicate needs for food, sleep, play, comforting | 1 | 2
                    mos. | 
        
    
        
        
            | Head bobs when held in sitting position | 1 | 2
                    mos. | 
        
    
        
        
            | Holds hands together | 2 | 2 – 5
                    mos. | 
        
    
        
        
            | Holds head steady, unsupported | 2 | 2 – 4
                    mos. | 
        
    
        
        
            | Makes smoother movements with arms and legs | 1 | 2
                    mos. | 
        
    
        
        
            | Opens mouth at sight of bottle | 1 | 2
                    mos. | 
        
    
        
        
            | Opens mouth at sight of breast | 1 | 2
                    mos. | 
        
    
        
        
            | Recognize people at distance | 2 | 2 – 4
                    mos. | 
        
    
        
        
            | Recognizes primary caregiver | 1 | 2
                    mos. | 
        
    
        
        
            | Retains rattle if placed in hand | 2 | 2 – 4
                    mos. | 
        
    
        
        
            | Shows diminishing newborn reflexes | 1 | 2
                    mos. | 
        
    
        
        
            | Shows symmetrical movements of head, arms, and legs | 1 | 2
                    mos. | 
        
    
        
        
            | Smiles at people | 3 | 2 – 4
                    mos. | 
        
    
        
        
            | Sometimes cries in different ways to show hunger, pain, or being tired | 2 | 2 – 4
                    mos. | 
        
    
        
        
            | Supports upper body with arms when lying on stomach | 4 | 2 – 4
                    mos. | 
        
    
        
        
            | Tries to look at caregiver | 2 | 2
                    mos. | 
        
    
        
        
            | Visual threat reflex present | 1 | 2
                    mos. | 
        
    
        
        
            | Babbles | 2 | 3 – 4
                    mos. | 
        
    
        
        
            | Bats at objects | 3 | 3 – 4
                    mos. | 
        
    
        
        
            | Becomes more expressive with face and body | 1 | 3
                    mos. | 
        
    
        
        
            | Brings hands to mouth | 3 | 3 – 4
                    mos. | 
        
    
        
        
            | Chuckles | 1 | 3
                    mos. | 
        
    
        
        
            | Copies some facial expressions | 2 | 3 – 4
                    mos. | 
        
    
        
        
            | Copies some movements | 2 | 3 – 4
                    mos. | 
        
    
        
        
            | Copies sounds | 3 | 3 – 9
                    mos. | 
        
    
        
        
            | Expression of disgust at sour taste | 1 | 3
                    mos. | 
        
    
        
        
            | Follows objects in circle in supine position | 1 | 3
                    mos. | 
        
    
        
        
            | Follows objects moving side to side | 2 | 3 – 4
                    mos. | 
        
    
        
        
            | Grasps hand toy | 4 | 3 – 5
                    mos. | 
        
    
        
        
            | Inspects fingers | 1 | 3
                    mos. | 
        
    
        
        
            | Likes to play with people | 2 | 3 – 4
                    mos. | 
        
    
        
        
            | Pushes down on legs when feet are on a hard surface | 2 | 3 – 4
                    mos. | 
        
    
        
        
            | Reaches for face | 1 | 3
                    mos. | 
        
    
        
        
            | Recognizes familiar objects at a distance | 2 | 3 – 4
                    mos. | 
        
    
        
        
            | Regards speaker | 1 | 3
                    mos. | 
        
    
        
        
            | Regards toys | 1 | 3
                    mos. | 
        
    
        
        
            | Responds to sounds by making sounds | 3 | 3 – 7
                    mos. | 
        
    
        
        
            | Rolls to side | 2 | 3 – 4
                    mos. | 
        
    
        
        
            | Shakes rattle | 3 | 3 – 4
                    mos. | 
        
    
        
        
            | Smiles spontaneously at pleasurable sound | 2 | 3 – 4
                    mos. | 
        
    
        
        
            | Stretches legs out and kicks when lying on stomach or back | 1 | 3
                    mos. | 
        
    
        
        
            | Uses hand and eyes together; eg. reaches for object | 5 | 3 – 5
                    mos. | 
        
    
        
        
            | Visually follows person who is moving across a room | 1 | 3
                    mos. | 
        
    
        
        
            | Watches faces closely | 2 | 3 – 4
                    mos. | 
        
    
        
        
            | Babbles with expression/emotion | 2 | 4
                    mos. | 
        
    
        
        
            | Briefly holds onto breast or bottle | 1 | 4
                    mos. | 
        
    
        
        
            | Clutches at clothes | 1 | 4
                    mos. | 
        
    
        
        
            | Consistently cries in different ways to show hunger, pain, or being tired | 2 | 4
                    mos. | 
        
    
        
        
            | Hands held predominately open | 1 | 4
                    mos. | 
        
    
        
        
            | Has well developed self-consolation skills (Can fully calm himself) | 1 | 4
                    mos. | 
        
    
        
        
            | Knows familiar faces versus strangers | 3 | 4 – 6
                    mos. | 
        
    
        
        
            | Laughs out loud | 1 | 4
                    mos. | 
        
    
        
        
            | Makes sounds to show joy and displeasure | 4 | 4 – 7
                    mos. | 
        
    
        
        
            | Mouths objects | 2 | 4 – 6
                    mos. | 
        
    
        
        
            | No head lag when pulled to sit | 2 | 4
                    mos. | 
        
    
        
        
            | Nonverbally communicates different emotions - happy, upset, sad | 2 | 4 – 8
                    mos. | 
        
    
        
        
            | Persists at reaching for object | 2 | 4 – 5
                    mos. | 
        
    
        
        
            | Props on wrists | 1 | 4
                    mos. | 
        
    
        
        
            | Pushes chest up to elbows | 1 | 4
                    mos. | 
        
    
        
        
            | Responds to affection | 2 | 4
                    mos. | 
        
    
        
        
            | Rolls front to back | 4 | 4 – 7
                    mos. | 
        
    
        
        
            | Sits if trunk is supported | 1 | 4
                    mos. | 
        
    
        
        
            | Smiles spontaneously at pleasurable sight | 1 | 4
                    mos. | 
        
    
        
        
            | Stops crying at parent voice | 1 | 4
                    mos. | 
        
    
        
        
            | Stops crying to soothing voice | 1 | 4
                    mos. | 
        
    
        
        
            | Takes turns when babbling | 4 | 4 – 6
                    mos. | 
        
    
        
        
            | Vocalizes when alone | 1 | 4
                    mos. | 
        
    
        
        
            | Begins to respond to name | 4 | 5 – 7
                    mos. | 
        
    
        
        
            | Forms attachment relationship to caregiver | 1 | 5
                    mos. | 
        
    
        
        
            | Makes many different sounds (eg. razzes, squeals) | 2 | 5
                    mos. | 
        
    
        
        
            | Mouths pureed food | 1 | 5
                    mos. | 
        
    
        
        
            | Moves hands in front of body to prevent falling forward while sitting | 1 | 5
                    mos. | 
        
    
        
        
            | Palmar grasps cube | 1 | 5
                    mos. | 
        
    
        
        
            | Recognizes non-primary caregiver visually | 1 | 5
                    mos. | 
        
    
        
        
            | Regards small object such as pellet or small cracker | 1 | 5
                    mos. | 
        
    
        
        
            | Rolls back to front | 3 | 5 – 7
                    mos. | 
        
    
        
        
            | Sits with arms supporting trunk | 2 | 5 – 7
                    mos. | 
        
    
        
        
            | Sits with pelvic support | 1 | 5
                    mos. | 
        
    
        
        
            | Transfers objects hand-mouth-hand | 1 | 5
                    mos. | 
        
    
        
        
            | Turns head to look for dropped spoon | 1 | 5
                    mos. | 
        
    
        
        
            | Bangs and shakes toys | 1 | 6
                    mos. | 
        
    
        
        
            | Beginning to use oral exploration for learning | 1 | 6
                    mos. | 
        
    
        
        
            | Bounces with legs when held | 3 | 6 – 7
                    mos. | 
        
    
        
        
            | Brief behavioral response to "no", such as briefly stopping | 3 | 6 – 9
                    mos. | 
        
    
        
        
            | Engages in social play with others | 3 | 6 – 7
                    mos. | 
        
    
        
        
            | Feeds self crackers | 1 | 6
                    mos. | 
        
    
        
        
            | Gestures for “up” | 1 | 6
                    mos. | 
        
    
        
        
            | Gets from sitting to crawling or prone (lying on stomach) position | 2 | 6 – 12
                    mos. | 
        
    
        
        
            | In prone position, bears weight on 1 hand | 1 | 6
                    mos. | 
        
    
        
        
            | Looks around at things nearby | 1 | 6
                    mos. | 
        
    
        
        
            | Moves backwards while on stomach | 2 | 6
                    mos. | 
        
    
        
        
            | Often seems happy | 2 | 6 – 7
                    mos. | 
        
    
        
        
            | Pivots in prone | 1 | 6
                    mos. | 
        
    
        
        
            | Places both hands on bottle | 1 | 6
                    mos. | 
        
    
        
        
            | Produces reduplicative babble with consonants (eg. "ma-ma-ma", "wa-wa-wa") | 5 | 6 – 9
                    mos. | 
        
    
        
        
            | Rakes pellet | 2 | 6 – 7
                    mos. | 
        
    
        
        
            | Reaches with one hand | 2 | 6 – 7
                    mos. | 
        
    
        
        
            | Removes cloth on face | 1 | 6
                    mos. | 
        
    
        
        
            | Responds to other people’s emotions | 2 | 6 – 7
                    mos. | 
        
    
        
        
            | Rocks back and forth while on hands and legs | 2 | 6
                    mos. | 
        
    
        
        
            | Rotates in sitting position | 1 | 6
                    mos. | 
        
    
        
        
            | Shy or anxious with strangers | 4 | 6 – 12
                    mos. | 
        
    
        
        
            | Sits momentarily propped on hands | 2 | 6 – 7
                    mos. | 
        
    
        
        
            | Sits without support steadily | 5 | 6 – 9
                    mos. | 
        
    
        
        
            | Smiles or vocalizes to mirror image of self | 3 | 6 – 7
                    mos. | 
        
    
        
        
            | Strings vowels together | 2 | 6
                    mos. | 
        
    
        
        
            | Supports  whole weight on legs when held | 3 | 6 – 7
                    mos. | 
        
    
        
        
            | Takes second cube and holds on to first | 1 | 6
                    mos. | 
        
    
        
        
            | Touches reflection and vocalizes | 1 | 6
                    mos. | 
        
    
        
        
            | Transfers objects hand-to-hand | 3 | 6 – 7
                    mos. | 
        
    
        
        
            | Tries to get things out of reach | 2 | 6 – 7
                    mos. | 
        
    
        
        
            | Attends to music | 1 | 7
                    mos. | 
        
    
        
        
            | Can visually follow fast moving objects | 1 | 7
                    mos. | 
        
    
        
        
            | Develops full color vision | 1 | 7
                    mos. | 
        
    
        
        
            | Distinguishes emotions by tone of voice | 1 | 7
                    mos. | 
        
    
        
        
            | Explores different aspects of toy | 1 | 7
                    mos. | 
        
    
        
        
            | Explores with hands and mouth | 1 | 7
                    mos. | 
        
    
        
        
            | Finds partially hidden object | 2 | 7
                    mos. | 
        
    
        
        
            | Increasing variety of syllables | 1 | 7
                    mos. | 
        
    
        
        
            | Inspects small object in each hand | 1 | 7
                    mos. | 
        
    
        
        
            | Looks from object to parent and back when wanting help | 1 | 7
                    mos. | 
        
    
        
        
            | Looks toward familiar object when named | 1 | 7
                    mos. | 
        
    
        
        
            | Puts arms out to sides for balance | 1 | 7
                    mos. | 
        
    
        
        
            | Radial-palmar grasp of small object | 1 | 7
                    mos. | 
        
    
        
        
            | Recognizes objects from across the room | 1 | 7
                    mos. | 
        
    
        
        
            | Refuses excess food | 1 | 7
                    mos. | 
        
    
        
        
            | Uses hands to keep from falling side ways while sitting | 1 | 7
                    mos. | 
        
    
        
        
            | Bangs spoon after demonstration | 1 | 8
                    mos. | 
        
    
        
        
            | Crawls forward on belly by pulling with arms and pushing with legs | 2 | 8 – 12
                    mos. | 
        
    
        
        
            | Echolalia (repeats words or phrases previously heard) | 1 | 8
                    mos. | 
        
    
        
        
            | Engages in gaze monitoring: adult looks away and child follows adult glance with own eyes | 1 | 8
                    mos. | 
        
    
        
        
            | Finger feeds a few small food items (eg. Cheerio) | 1 | 8
                    mos. | 
        
    
        
        
            | Gets into sitting position | 4 | 8 – 12
                    mos. | 
        
    
        
        
            | Holds own bottle | 1 | 8
                    mos. | 
        
    
        
        
            | Looks for family members when prompted ("where's mama?") | 2 | 8 – 12
                    mos. | 
        
    
        
        
            | Pulls out large peg from pegboard | 1 | 8
                    mos. | 
        
    
        
        
            | Pulls to kneeling position | 1 | 8
                    mos. | 
        
    
        
        
            | Pulls to sitting position | 2 | 8 – 9
                    mos. | 
        
    
        
        
            | Responds to “Come here” | 1 | 8
                    mos. | 
        
    
        
        
            | Says “Dada” (nonspecific) | 2 | 8 – 12
                    mos. | 
        
    
        
        
            | Scissor grasp of small object | 1 | 8
                    mos. | 
        
    
        
        
            | Seeks object after it falls silently to the floor | 1 | 8
                    mos. | 
        
    
        
        
            | Takes objects out of container | 3 | 8 – 12
                    mos. | 
        
    
        
        
            | Uses simple gestures | 6 | 8 – 18
                    mos. | 
        
    
        
        
            | Bangs two cubes together | 4 | 9 – 12
                    mos. | 
        
    
        
        
            | Bear walks (all four limbs straight) | 1 | 9
                    mos. | 
        
    
        
        
            | Begins moving forward or backwards on hands and knees (creeping) | 1 | 9
                    mos. | 
        
    
        
        
            | Bites cracker or similar food | 1 | 9
                    mos. | 
        
    
        
        
            | Chews cracker or similar food | 1 | 9
                    mos. | 
        
    
        
        
            | Copies gestures (like waving bye bye) | 6 | 9 – 15
                    mos. | 
        
    
        
        
            | Follows a point with visual prompt, “Oh look at ...” | 1 | 9
                    mos. | 
        
    
        
        
            | Imitates vocalizations | 2 | 9 – 12
                    mos. | 
        
    
        
        
            | Inspects object, such as a bell or toy | 1 | 9
                    mos. | 
        
    
        
        
            | Learns interactive gesture games, such as “peek-a-boo” and “so big” | 2 | 9
                    mos. | 
        
    
        
        
            | Looks at pictures in book | 2 | 9 – 11
                    mos. | 
        
    
        
        
            | Looks for things he/she sees you hide | 2 | 9
                    mos. | 
        
    
        
        
            | Looks preferentially when name is called | 2 | 9 – 10
                    mos. | 
        
    
        
        
            | May be more clingy with familar adults | 1 | 9
                    mos. | 
        
    
        
        
            | Moves easily on hands and knees | 4 | 9 – 12
                    mos. | 
        
    
        
        
            | Orients to bell | 1 | 9
                    mos. | 
        
    
        
        
            | Picks up things like cereal o's between thumb and end of index finger (fine pincer grasp) | 3 | 9 – 12
                    mos. | 
        
    
        
        
            | Picks up things like cereal o's between thumb and middle of index finger (inferior pincer grasp) | 3 | 9 – 12
                    mos. | 
        
    
        
        
            | Plays interactive games (eg, “peek-a-boo,” “pat-a-cake”) | 4 | 9 – 12
                    mos. | 
        
    
        
        
            | Points to get or request desired object (proto-imperative pointing) | 4 | 9 – 18
                    mos. | 
        
    
        
        
            | Produces nonreduplicative babble (eg. "ah-goo", "maga" "baboba") | 1 | 9
                    mos. | 
        
    
        
        
            | Pulls string to obtain ring | 1 | 9
                    mos. | 
        
    
        
        
            | Pulls to stand | 4 | 9 – 12
                    mos. | 
        
    
        
        
            | Puts non-food items into mouth | 1 | 9
                    mos. | 
        
    
        
        
            | Radial-digital grasp of small object | 1 | 9
                    mos. | 
        
    
        
        
            | Recognizes familiar people visually | 1 | 9
                    mos. | 
        
    
        
        
            | Rings bell | 1 | 9
                    mos. | 
        
    
        
        
            | Says “Mama” (nonspecific) | 2 | 9 – 12
                    mos. | 
        
    
        
        
            | Seeks parent for play | 1 | 9
                    mos. | 
        
    
        
        
            | Separation anxiety | 4 | 9 – 12
                    mos. | 
        
    
        
        
            | Shows specific preferences for certain toys | 3 | 9 – 12
                    mos. | 
        
    
        
        
            | Smoothly moves things between hands | 1 | 9
                    mos. | 
        
    
        
        
            | “Stands” on feet and hands | 1 | 9
                    mos. | 
        
    
        
        
            | Stands with one hand held | 2 | 9 – 10
                    mos. | 
        
    
        
        
            | Starts to point out objects | 2 | 9
                    mos. | 
        
    
        
        
            | Uses sounds to get attention | 3 | 9 – 12
                    mos. | 
        
    
        
        
            | Watches the path of something as it falls | 1 | 9
                    mos. | 
        
    
        
        
            | Clumsy release of small object | 1 | 10
                    mos. | 
        
    
        
        
            | Cruises around furniture using two hands | 3 | 10 – 12
                    mos. | 
        
    
        
        
            | Drinks from cup held for child | 1 | 10
                    mos. | 
        
    
        
        
            | Experiences fear beyond stranger anxiety (eg. fear of new toy, animal, picture) | 2 | 10 – 12
                    mos. | 
        
    
        
        
            | Finds hidden things easily | 6 | 10 – 13
                    mos. | 
        
    
        
        
            | Isolates index finger and pokes | 3 | 10 – 12
                    mos. | 
        
    
        
        
            | Pokes at pellet in bottle | 1 | 10
                    mos. | 
        
    
        
        
            | Says "Mama" or “Dada” (specific) | 3 | 10 – 12
                    mos. | 
        
    
        
        
            | Tries to put objects in cup but sometime may not let go | 1 | 10
                    mos. | 
        
    
        
        
            | Walks with two hands held | 1 | 10
                    mos. | 
        
    
        
        
            | Bounces to music | 1 | 11
                    mos. | 
        
    
        
        
            | Cooperates with dressing | 3 | 11 – 12
                    mos. | 
        
    
        
        
            | Cruises around furniture using one hand | 2 | 11 – 12
                    mos. | 
        
    
        
        
            | Finds toy under cup | 1 | 11
                    mos. | 
        
    
        
        
            | Gives objects to adult for help | 1 | 11
                    mos. | 
        
    
        
        
            | Says first word other than "mama" or "dada" | 2 | 11 – 12
                    mos. | 
        
    
        
        
            | Stands for a few seconds | 3 | 11 – 12
                    mos. | 
        
    
        
        
            | Stirs with spoon | 1 | 11
                    mos. | 
        
    
        
        
            | Stops activity when told “no” | 2 | 11 – 12
                    mos. | 
        
    
        
        
            | Throws objects | 1 | 11
                    mos. | 
        
    
        
        
            | Vocalizes to songs | 1 | 11
                    mos. | 
        
    
        
        
            | Walks with one hand held | 1 | 11
                    mos. | 
        
    
        
        
            | Assumes hands-and-knees position | 1 | 12
                    mos. | 
        
    
        
        
            | Attempts two-cube tower | 1 | 12
                    mos. | 
        
    
        
        
            | Begins to use objects correctly (brushing hair, drinking from cup, listening to phone) | 3 | 12 – 15
                    mos. | 
        
    
        
        
            | Enjoys imitating people in play | 1 | 12
                    mos. | 
        
    
        
        
            | Explores things in different ways, like shaking, banging, throwing | 3 | 12 – 14
                    mos. | 
        
    
        
        
            | Finger feeds part of meal | 2 | 12
                    mos. | 
        
    
        
        
            | Follows one-step command with gesture | 7 | 12 – 16
                    mos. | 
        
    
        
        
            | Hands you a book when wants to hear a story | 3 | 12 – 15
                    mos. | 
        
    
        
        
            | Holds crayon | 1 | 12
                    mos. | 
        
    
        
        
            | Lets objects go voluntarily | 2 | 12
                    mos. | 
        
    
        
        
            | Lifts box lid to find toy | 1 | 12
                    mos. | 
        
    
        
        
            | May be fearful in some situations | 2 | 12 – 18
                    mos. | 
        
    
        
        
            | May walk two or three steps without support | 4 | 12 – 13
                    mos. | 
        
    
        
        
            | Pays increasing attention to speech | 1 | 12
                    mos. | 
        
    
        
        
            | Points at object to express interest (protodeclarative pointing) | 4 | 12 – 18
                    mos. | 
        
    
        
        
            | Prefers mother and/or regular caregiver over all others | 1 | 12
                    mos. | 
        
    
        
        
            | Produces immature jargoning | 4 | 12 – 13
                    mos. | 
        
    
        
        
            | Puts objects into container | 4 | 12 – 15
                    mos. | 
        
    
        
        
            | Rattles spoon in cup | 1 | 12
                    mos. | 
        
    
        
        
            | Recognizes names of two objects and looks when named | 4 | 12 – 13
                    mos. | 
        
    
        
        
            | Says exclamations like "uh-oh!" | 2 | 12
                    mos. | 
        
    
        
        
            | Scribbles after demonstration | 2 | 12
                    mos. | 
        
    
        
        
            | Shows objects to parent to share interest | 2 | 12 – 15
                    mos. | 
        
    
        
        
            | Shows specific preferences for certain people other than primary caregiver | 2 | 12
                    mos. | 
        
    
        
        
            | Stands well with arms high, legs splayed | 2 | 12
                    mos. | 
        
    
        
        
            | Takes objects out of a container | 1 | 12
                    mos. | 
        
    
        
        
            | Takes off hat | 1 | 12
                    mos. | 
        
    
        
        
            | Tests parental responses to own actions | 2 | 12
                    mos. | 
        
    
        
        
            | Tries to imitate words | 2 | 12
                    mos. | 
        
    
        
        
            | Uses posterior protection | 1 | 12
                    mos. | 
        
    
        
        
            | Uses several gestures with vocalizing | 2 | 12 – 15
                    mos. | 
        
    
        
        
            | Attempts to release pellet in bottle | 1 | 13
                    mos. | 
        
    
        
        
            | Dangles ring by string | 1 | 13
                    mos. | 
        
    
        
        
            | Drinks from cup with some spilling | 2 | 13 – 15
                    mos. | 
        
    
        
        
            | Functional play (playing with objects or toys according to their intended functionl eg. driving car) | 1 | 13
                    mos. | 
        
    
        
        
            | Reaches around clear barrier to obtain object | 1 | 13
                    mos. | 
        
    
        
        
            | Shows desire to please caregiver | 1 | 13
                    mos. | 
        
    
        
        
            | Solitary play | 1 | 13
                    mos. | 
        
    
        
        
            | Unwraps toy in cloth | 1 | 13
                    mos. | 
        
    
        
        
            | Uses three words | 3 | 13 – 15
                    mos. | 
        
    
        
        
            | Adds third cube to a two-cube tower | 1 | 14
                    mos. | 
        
    
        
        
            | Chews well | 1 | 14
                    mos. | 
        
    
        
        
            | Dumps pellet out of bottle after demonstration | 1 | 14
                    mos. | 
        
    
        
        
            | Falls by collapse | 1 | 14
                    mos. | 
        
    
        
        
            | Follows one-step command without gesture | 6 | 14 – 24
                    mos. | 
        
    
        
        
            | Imitates back and forth scribble | 1 | 14
                    mos. | 
        
    
        
        
            | Names one object | 1 | 14
                    mos. | 
        
    
        
        
            | Puts round peg in and out of hole in peg board | 1 | 14
                    mos. | 
        
    
        
        
            | Puts spoon in mouth (turns over) | 1 | 14
                    mos. | 
        
    
        
        
            | Removes socks/shoes | 1 | 14
                    mos. | 
        
    
        
        
            | Stands without pulling up | 1 | 14
                    mos. | 
        
    
        
        
            | Walks well | 4 | 14 – 24
                    mos. | 
        
    
        
        
            | Asks for help activating a toy | 1 | 15
                    mos. | 
        
    
        
        
            | Builds three-cube tower | 2 | 15 – 18
                    mos. | 
        
    
        
        
            | Climbs onto furniture with help | 1 | 15
                    mos. | 
        
    
        
        
            | Climbs onto furniture without help | 4 | 15 – 24
                    mos. | 
        
    
        
        
            | Creeps or crawls up stairs | 1 | 15
                    mos. | 
        
    
        
        
            | Fusses to be changed | 1 | 15
                    mos. | 
        
    
        
        
            | Gets object from another room upon demand | 1 | 15
                    mos. | 
        
    
        
        
            | Hugs adult in reciprocation | 1 | 15
                    mos. | 
        
    
        
        
            | Interested in helping with chores | 1 | 15
                    mos. | 
        
    
        
        
            | Listens to a story | 1 | 15
                    mos. | 
        
    
        
        
            | Mature jargoning with real words | 1 | 15
                    mos. | 
        
    
        
        
            | Places 10 cubes in cup | 1 | 15
                    mos. | 
        
    
        
        
            | Places circle in single-shape puzzle or form board | 2 | 15 – 16
                    mos. | 
        
    
        
        
            | Points to one body part | 3 | 15 – 18
                    mos. | 
        
    
        
        
            | Points to one object of three when named | 1 | 15
                    mos. | 
        
    
        
        
            | Recognizes that a toy requires activation | 1 | 15
                    mos. | 
        
    
        
        
            | Runs stiff-legged | 4 | 15 – 24
                    mos. | 
        
    
        
        
            | Scribbles spontaneously | 4 | 15 – 24
                    mos. | 
        
    
        
        
            | Shows empathy (someone else cries, child looks sad) | 1 | 15
                    mos. | 
        
    
        
        
            | Stoops to pick up toy | 2 | 15
                    mos. | 
        
    
        
        
            | Turns pages in book | 1 | 15
                    mos. | 
        
    
        
        
            | Uses spoon with some spilling | 3 | 15 – 18
                    mos. | 
        
    
        
        
            | Walks backwards | 2 | 15 – 16
                    mos. | 
        
    
        
        
            | Walks carrying toy | 1 | 15
                    mos. | 
        
    
        
        
            | Fetches and carries objects within the same room | 2 | 16 – 24
                    mos. | 
        
    
        
        
            | Finds toy observed to be hidden under layers of covers | 3 | 16 – 24
                    mos. | 
        
    
        
        
            | Kisses by touching lips to skin | 1 | 16
                    mos. | 
        
    
        
        
            | Periodically visually relocates caregiver | 1 | 16
                    mos. | 
        
    
        
        
            | Picks up and drinks from cup | 3 | 16 – 18
                    mos. | 
        
    
        
        
            | Points to one picture when named | 1 | 16
                    mos. | 
        
    
        
        
            | Puts several round pegs in board with urging | 1 | 16
                    mos. | 
        
    
        
        
            | Self-conscious; embarrassed when aware of people observing | 1 | 16
                    mos. | 
        
    
        
        
            | Stands on one foot with slight support | 1 | 16
                    mos. | 
        
    
        
        
            | Turns over container to pour out contents | 2 | 16 – 24
                    mos. | 
        
    
        
        
            | Uses five words | 3 | 16 – 18
                    mos. | 
        
    
        
        
            | Walks up stairs with support, putting both feet on each step | 6 | 16 – 24
                    mos. | 
        
    
        
        
            | Begins to show shame (when does wrong) and possessiveness | 1 | 18
                    mos. | 
        
    
        
        
            | Builds four-cube tower | 3 | 18 – 24
                    mos. | 
        
    
        
        
            | Can help undress herself | 1 | 18
                    mos. | 
        
    
        
        
            | Creeps or crawls down stairs | 1 | 18
                    mos. | 
        
    
        
        
            | Crudely imitates vertical stroke | 2 | 18
                    mos. | 
        
    
        
        
            | Engages in pretend play with other people (eg, tea party, birthday party) | 5 | 18 – 30
                    mos. | 
        
    
        
        
            | Explores environment alone but with parent close by | 2 | 18
                    mos. | 
        
    
        
        
            | Frequently alternates mood (happy to sad, friendly to aggressive) | 4 | 18 – 48
                    mos. | 
        
    
        
        
            | Imitates environmental sounds (eg, animals) | 1 | 18
                    mos. | 
        
    
        
        
            | Is spontaneous with affection | 1 | 18
                    mos. | 
        
    
        
        
            | Knows the names of favorite books | 1 | 18
                    mos. | 
        
    
        
        
            | Knows what familiar things are for; for example, telephone, brush, spoon | 2 | 18 – 24
                    mos. | 
        
    
        
        
            | Laughs in response to others | 1 | 18
                    mos. | 
        
    
        
        
            | Likes to hand things to others as play | 1 | 18
                    mos. | 
        
    
        
        
            | Matches pairs of objects | 1 | 18
                    mos. | 
        
    
        
        
            | May have temper tantrums | 1 | 18
                    mos. | 
        
    
        
        
            | Moves about house without adult | 1 | 18
                    mos. | 
        
    
        
        
            | Names one picture | 2 | 18 – 24
                    mos. | 
        
    
        
        
            | Passes M-CHAT | 1 | 18
                    mos. | 
        
    
        
        
            | Points to familiar people when named | 2 | 18 – 24
                    mos. | 
        
    
        
        
            | Points to get the attention of others | 1 | 18
                    mos. | 
        
    
        
        
            | Points to self | 1 | 18
                    mos. | 
        
    
        
        
            | Points to show someone what he wants | 2 | 18
                    mos. | 
        
    
        
        
            | Points to three body parts | 2 | 18 – 24
                    mos. | 
        
    
        
        
            | Points to two of three objects when named | 2 | 18 – 24
                    mos. | 
        
    
        
        
            | Pulls toys while walking | 2 | 18 – 24
                    mos. | 
        
    
        
        
            | Removes unzipped coat or sweater | 1 | 18
                    mos. | 
        
    
        
        
            | Replaces circle in form board after it has been turned around, usually with trial and error | 1 | 18
                    mos. | 
        
    
        
        
            | Runs well | 2 | 18 – 36
                    mos. | 
        
    
        
        
            | Says “no” | 1 | 18
                    mos. | 
        
    
        
        
            | Seats self in small chair | 1 | 18
                    mos. | 
        
    
        
        
            | Shows interest in simple pretend play, such as feeding a doll | 4 | 18 – 24
                    mos. | 
        
    
        
        
            | Shows spontaneous affection to familiar people | 1 | 18
                    mos. | 
        
    
        
        
            | Throws ball while standing | 1 | 18
                    mos. | 
        
    
        
        
            | Tries to help with household tasks | 2 | 18 – 33
                    mos. | 
        
    
        
        
            | Understands “mine” | 2 | 18 – 36
                    mos. | 
        
    
        
        
            | Uses giant words like "all done" and "stop that") | 1 | 18
                    mos. | 
        
    
        
        
            | Uses spoon well | 3 | 18 – 60
                    mos. | 
        
    
        
        
            | Uses ten words | 2 | 18
                    mos. | 
        
    
        
        
            | Walks up stairs without support, putting both feet on each step | 3 | 18 – 48
                    mos. | 
        
    
        
        
            | Walks up stairs with support, alternating feet | 4 | 18 – 36
                    mos. | 
        
    
        
        
            | Answers requests with “no” | 1 | 20
                    mos. | 
        
    
        
        
            | Begins to have thoughts about feelings | 1 | 20
                    mos. | 
        
    
        
        
            | Builds five-cube tower | 2 | 20 – 24
                    mos. | 
        
    
        
        
            | Carries large object | 1 | 20
                    mos. | 
        
    
        
        
            | Deduces location of hidden object | 1 | 20
                    mos. | 
        
    
        
        
            | Feeds self with spoon entire meal | 1 | 20
                    mos. | 
        
    
        
        
            | Holophrases (“Mommy?” and points to keys, meaning: “These are Mommy’s keys.” or "Milk" with a gesture to mean "I want milk") | 1 | 20
                    mos. | 
        
    
        
        
            | Kisses with pucker | 1 | 20
                    mos. | 
        
    
        
        
            | Places only edibles in mouth | 1 | 20
                    mos. | 
        
    
        
        
            | Places square in single shape puzzle or form board | 1 | 20
                    mos. | 
        
    
        
        
            | Points to three pictures | 1 | 20
                    mos. | 
        
    
        
        
            | Puts all round pegs into board without urging | 1 | 20
                    mos. | 
        
    
        
        
            | Puts square peg into board | 1 | 20
                    mos. | 
        
    
        
        
            | Squats in play | 1 | 20
                    mos. | 
        
    
        
        
            | Two-word combinations | 1 | 20
                    mos. | 
        
    
        
        
            | Understands difference between "her", "him", and "me" | 2 | 20 – 24
                    mos. | 
        
    
        
        
            | Walks down stairs with support, putting both feet on each step | 5 | 20 – 24
                    mos. | 
        
    
        
        
            | Adds one word per week | 1 | 22
                    mos. | 
        
    
        
        
            | Asks for "more" | 1 | 22
                    mos. | 
        
    
        
        
            | Closes box with lid | 1 | 22
                    mos. | 
        
    
        
        
            | Completes simple 3 piece inset puzzle | 1 | 22
                    mos. | 
        
    
        
        
            | Drinks from cup well | 1 | 22
                    mos. | 
        
    
        
        
            | Imitates circular scribble | 2 | 22 – 24
                    mos. | 
        
    
        
        
            | Imitates vertical line | 1 | 22
                    mos. | 
        
    
        
        
            | Kicks ball with demonstration | 4 | 22 – 24
                    mos. | 
        
    
        
        
            | Points to five body parts (preferred) | 3 | 22 – 24
                    mos. | 
        
    
        
        
            | Points to four pictures when named | 2 | 22 – 24
                    mos. | 
        
    
        
        
            | Points to four pieces of clothing when named | 3 | 22 – 24
                    mos. | 
        
    
        
        
            | Puts shoes on partway | 1 | 22
                    mos. | 
        
    
        
        
            | Shows defiant behavior (doing what he has been told not to) | 3 | 22 – 24
                    mos. | 
        
    
        
        
            | Unzips zippers | 1 | 22
                    mos. | 
        
    
        
        
            | Uses 25 words | 1 | 22
                    mos. | 
        
    
        
        
            | Walks with one foot on walking board | 1 | 22
                    mos. | 
        
    
        
        
            | Watches other children intensely | 1 | 22
                    mos. | 
        
    
        
        
            | Asks parent to read a book | 1 | 24
                    mos. | 
        
    
        
        
            | Begins to mask emotions for social etiquette | 1 | 24
                    mos. | 
        
    
        
        
            | Climbs down from furniture without help | 2 | 24
                    mos. | 
        
    
        
        
            | Completes sentences and rhymes in familiar books | 3 | 24 – 30
                    mos. | 
        
    
        
        
            | Copies circle | 4 | 24 – 36
                    mos. | 
        
    
        
        
            | Corrects you if you change a word in a familiar book | 1 | 24
                    mos. | 
        
    
        
        
            | Follows two-step command | 5 | 24 – 36
                    mos. | 
        
    
        
        
            | Gets excited when with other children | 2 | 24
                    mos. | 
        
    
        
        
            | Has established a special attachment to a transitional object | 1 | 24
                    mos. | 
        
    
        
        
            | Imitates activities of adults and older children (like swepping, talking on phone, food preparation) | 5 | 24 – 36
                    mos. | 
        
    
        
        
            | Imitates circle | 2 | 24
                    mos. | 
        
    
        
        
            | Imitates horizontal line | 2 | 24
                    mos. | 
        
    
        
        
            | In response to, “Where is _____?”, points to object or animal in a book | 2 | 24
                    mos. | 
        
    
        
        
            | Is understandable 50% of the time to unfamiliar listener | 2 | 24 – 30
                    mos. | 
        
    
        
        
            | Jumps in place | 3 | 24 – 30
                    mos. | 
        
    
        
        
            | Kicks ball without demonstration | 3 | 24 – 48
                    mos. | 
        
    
        
        
            | Makes a single-line “train” of cubes | 1 | 24
                    mos. | 
        
    
        
        
            | Matches objects to pictures | 1 | 24
                    mos. | 
        
    
        
        
            | Might use one hand more than the other | 2 | 24
                    mos. | 
        
    
        
        
            | Names three pictures | 2 | 24
                    mos. | 
        
    
        
        
            | Parallel play | 3 | 24
                    mos. | 
        
    
        
        
            | Plays with other children | 2 | 24 – 30
                    mos. | 
        
    
        
        
            | Points to five pictures | 2 | 24
                    mos. | 
        
    
        
        
            | Pulls off pants | 1 | 24
                    mos. | 
        
    
        
        
            | Recognizes names of familiar objects | 1 | 24
                    mos. | 
        
    
        
        
            | Recognizes names of familiar people | 1 | 24
                    mos. | 
        
    
        
        
            | Refers to self by name | 1 | 24
                    mos. | 
        
    
        
        
            | Refers to self with correct pronoun | 2 | 24 – 30
                    mos. | 
        
    
        
        
            | Repeats words overheard in conversation | 2 | 24
                    mos. | 
        
    
        
        
            | Separates easily from mom and dad | 3 | 24 – 36
                    mos. | 
        
    
        
        
            | Shows more and more independence | 2 | 24
                    mos. | 
        
    
        
        
            | Sorts colors | 3 | 24
                    mos. | 
        
    
        
        
            | Sorts shapes | 3 | 24
                    mos. | 
        
    
        
        
            | Speaks-three-word sentences | 3 | 24 – 36
                    mos. | 
        
    
        
        
            | Speaks two-word sentence (noun with verb) | 4 | 24
                    mos. | 
        
    
        
        
            | Stands on tiptoe | 2 | 24
                    mos. | 
        
    
        
        
            | Sucks through a straw | 1 | 24
                    mos. | 
        
    
        
        
            | Takes off clothes without buttons | 1 | 24
                    mos. | 
        
    
        
        
            | Throws ball in specific direction | 5 | 24 – 48
                    mos. | 
        
    
        
        
            | Throws ball overhand 10 feet | 5 | 24 – 48
                    mos. | 
        
    
        
        
            | Throws overhand | 5 | 24 – 48
                    mos. | 
        
    
        
        
            | Turns book pages one at a time | 2 | 24 – 36
                    mos. | 
        
    
        
        
            | Turns door handle | 2 | 24 – 36
                    mos. | 
        
    
        
        
            | Understands difference between "me" and "you" | 2 | 24
                    mos. | 
        
    
        
        
            | Uses 50 words | 2 | 24
                    mos. | 
        
    
        
        
            | Uses simple phrases | 1 | 24
                    mos. | 
        
    
        
        
            | Uses telegraphic speech (eg. "Shoe on" or "Want juice") | 1 | 24
                    mos. | 
        
    
        
        
            | Walks down stairs without support, putting both feet on each step | 2 | 24 – 48
                    mos. | 
        
    
        
        
            | Begins to use pronouns (I, me, you) | 2 | 28 – 36
                    mos. | 
        
    
        
        
            | Communicates to caregiver when needs to use toilet | 1 | 28
                    mos. | 
        
    
        
        
            | Jumps from bottom step with one foot leading | 1 | 28
                    mos. | 
        
    
        
        
            | Matches colors | 1 | 28
                    mos. | 
        
    
        
        
            | Matches shapes | 1 | 28
                    mos. | 
        
    
        
        
            | Names ten pictures | 2 | 28 – 36
                    mos. | 
        
    
        
        
            | Puts on clothes with help | 2 | 28 – 30
                    mos. | 
        
    
        
        
            | Repeats two digits | 1 | 28
                    mos. | 
        
    
        
        
            | Strings large beads awkwardly | 1 | 28
                    mos. | 
        
    
        
        
            | Turns paper pages (often several at once) | 1 | 28
                    mos. | 
        
    
        
        
            | Understands “just one” | 1 | 28
                    mos. | 
        
    
        
        
            | Unscrews jar lid | 2 | 28 – 36
                    mos. | 
        
    
        
        
            | Walks backward 10 steps | 1 | 28
                    mos. | 
        
    
        
        
            | Walks on toes after demonstration | 1 | 28
                    mos. | 
        
    
        
        
            | Brushes teeth with assistance | 2 | 30
                    mos. | 
        
    
        
        
            | Builds eight-cube tower | 4 | 30 – 48
                    mos. | 
        
    
        
        
            | Dries hands after washing | 1 | 30
                    mos. | 
        
    
        
        
            | Echolalia and jargoning gone | 1 | 30
                    mos. | 
        
    
        
        
            | Engages in imaginitive, more complex pretend play that incorporates dolls, stuffed animals, or people | 3 | 30 – 36
                    mos. | 
        
    
        
        
            | Has preference for certain peers (has friends) | 1 | 30
                    mos. | 
        
    
        
        
            | Knows the correct action for a selected animal or person | 1 | 30
                    mos. | 
        
    
        
        
            | Makes a “train” of cubes and includes a smoke stack | 1 | 30
                    mos. | 
        
    
        
        
            | May get upset with major changes in routine | 2 | 30 – 36
                    mos. | 
        
    
        
        
            | Names familiar objects by use | 2 | 30 – 36
                    mos. | 
        
    
        
        
            | Points to six body parts | 1 | 30
                    mos. | 
        
    
        
        
            | Points to small details in pictures | 1 | 30
                    mos. | 
        
    
        
        
            | Puts things away | 1 | 30
                    mos. | 
        
    
        
        
            | Replaces circle in form board after it has been turned around with little or no trial and error) | 1 | 30
                    mos. | 
        
    
        
        
            | Stands with both feet on balance beam | 1 | 30
                    mos. | 
        
    
        
        
            | Understands actions words: “playing... washing... blowing” | 1 | 30
                    mos. | 
        
    
        
        
            | Understands at least two prepositions ("in", "on") | 1 | 30
                    mos. | 
        
    
        
        
            | Walks with one foot on balance beam | 1 | 30
                    mos. | 
        
    
        
        
            | Washes hands | 3 | 30 – 48
                    mos. | 
        
    
        
        
            | Begins to take turns | 2 | 33 – 36
                    mos. | 
        
    
        
        
            | Builds nine-cube tower | 1 | 33
                    mos. | 
        
    
        
        
            | Enjoys being read to (short books) | 1 | 33
                    mos. | 
        
    
        
        
            | Gives first and last name | 3 | 33 – 48
                    mos. | 
        
    
        
        
            | Imitates cross | 1 | 33
                    mos. | 
        
    
        
        
            | Is toilet trained during the daytime for both bowel and bladder | 2 | 33 – 36
                    mos. | 
        
    
        
        
            | Points to body parts based on function (“What do you hear with?”) | 1 | 33
                    mos. | 
        
    
        
        
            | Points to objects by use: “ride in ... put on feet ... write with” | 1 | 33
                    mos. | 
        
    
        
        
            | Points to self in photos | 1 | 33
                    mos. | 
        
    
        
        
            | Puts on coat unassisted | 1 | 33
                    mos. | 
        
    
        
        
            | Puts six square pegs in pegboard | 1 | 33
                    mos. | 
        
    
        
        
            | Rote counts to 3 | 1 | 33
                    mos. | 
        
    
        
        
            | Sometimes uses past tense | 1 | 33
                    mos. | 
        
    
        
        
            | Understands at least three prepositions | 2 | 33 – 36
                    mos. | 
        
    
        
        
            | Understands simple adjectives eg. long/ short, big/small, dirty/wet | 2 | 33 – 36
                    mos. | 
        
    
        
        
            | Walks swinging arms opposite of legs (synchronous gait) | 1 | 33
                    mos. | 
        
    
        
        
            | Asks to be read to | 1 | 36
                    mos. | 
        
    
        
        
            | Balances on one foot for 1 second | 1 | 36
                    mos. | 
        
    
        
        
            | Balances on one foot for 3 seconds | 1 | 36
                    mos. | 
        
    
        
        
            | Builds seven-cube tower | 2 | 36
                    mos. | 
        
    
        
        
            | Builds six-cube tower | 1 | 36
                    mos. | 
        
    
        
        
            | Can name most familiar things | 2 | 36
                    mos. | 
        
    
        
        
            | Can work toys with moving parts | 1 | 36
                    mos. | 
        
    
        
        
            | Carries on a conversation using 2 to 3 sentences | 2 | 36
                    mos. | 
        
    
        
        
            | Catches ball with stiff arms | 1 | 36
                    mos. | 
        
    
        
        
            | Climbs well with confidence | 3 | 36 – 60
                    mos. | 
        
    
        
        
            | Cuts with scissors: side-to-side (awkwardly) | 1 | 36
                    mos. | 
        
    
        
        
            | Does puzzles with 3 interlocking pieces | 1 | 36
                    mos. | 
        
    
        
        
            | Draws a 2-part person | 4 | 36 – 48
                    mos. | 
        
    
        
        
            | Draws a 3-part person | 4 | 36 – 48
                    mos. | 
        
    
        
        
            | Dresses and undresses without assistance | 6 | 36 – 72
                    mos. | 
        
    
        
        
            | Enjoys interactive play | 1 | 36
                    mos. | 
        
    
        
        
            | Fears imaginary things (e.g. Monsters) | 2 | 36 – 48
                    mos. | 
        
    
        
        
            | Follows three-step commands | 4 | 36 – 72
                    mos. | 
        
    
        
        
            | Gives first name | 1 | 36
                    mos. | 
        
    
        
        
            | Identifies self as boy or girl | 3 | 36
                    mos. | 
        
    
        
        
            | Imagitive play includes elaborate narrative | 4 | 36 – 48
                    mos. | 
        
    
        
        
            | Imitates activites of peers | 1 | 36
                    mos. | 
        
    
        
        
            | Imitates bridge of cubes | 1 | 36
                    mos. | 
        
    
        
        
            | Independent eating | 1 | 36
                    mos. | 
        
    
        
        
            | Is understandable 75% of the time to unfamiliar listeners | 4 | 36 – 48
                    mos. | 
        
    
        
        
            | Knows own age | 2 | 36
                    mos. | 
        
    
        
        
            | Matches letters | 1 | 36
                    mos. | 
        
    
        
        
            | Matches numerals | 1 | 36
                    mos. | 
        
    
        
        
            | Names a friend | 2 | 36
                    mos. | 
        
    
        
        
            | Names body parts by use | 1 | 36
                    mos. | 
        
    
        
        
            | Names body parts when function described (eg. what do you see with?) | 1 | 36
                    mos. | 
        
    
        
        
            | Pedals tricycle | 3 | 36
                    mos. | 
        
    
        
        
            | Points to parts of pictures (nose of cow, door of car) | 1 | 36
                    mos. | 
        
    
        
        
            | Pours liquid from one container to another | 3 | 36 – 48
                    mos. | 
        
    
        
        
            | Puts on shoes without laces | 1 | 36
                    mos. | 
        
    
        
        
            | Screws jar lid | 1 | 36
                    mos. | 
        
    
        
        
            | Shows affection for friends without prompting | 1 | 36
                    mos. | 
        
    
        
        
            | Shows concern for crying friend | 1 | 36
                    mos. | 
        
    
        
        
            | Shows wide range of emotions | 1 | 36
                    mos. | 
        
    
        
        
            | Sorts objects by category | 1 | 36
                    mos. | 
        
    
        
        
            | Starts to share without prompt | 1 | 36
                    mos. | 
        
    
        
        
            | Starts to share with prompt | 1 | 36
                    mos. | 
        
    
        
        
            | Strings small beads well | 1 | 36
                    mos. | 
        
    
        
        
            | Unbuttons | 1 | 36
                    mos. | 
        
    
        
        
            | Understands "his" or "hers" | 1 | 36
                    mos. | 
        
    
        
        
            | Understands negatives | 1 | 36
                    mos. | 
        
    
        
        
            | Understands what "two" means | 1 | 36
                    mos. | 
        
    
        
        
            | Uses 200 words | 1 | 36
                    mos. | 
        
    
        
        
            | Uses plurals | 3 | 36 – 48
                    mos. | 
        
    
        
        
            | Uses pronouns correctly | 4 | 36 – 72
                    mos. | 
        
    
        
        
            | Uses words to describe what someone else is thinking (“Mom thought I was asleep”) | 1 | 36
                    mos. | 
        
    
        
        
            | Walks down stairs without support, alternating feet | 2 | 36 – 48
                    mos. | 
        
    
        
        
            | Walks heel to toe | 1 | 36
                    mos. | 
        
    
        
        
            | Walks up stairs without support, alternating feet | 4 | 36 – 48
                    mos. | 
        
    
        
        
            | Acts appropriately for the community’s or family’s cultural values | 1 | 48
                    mos. | 
        
    
        
        
            | Attempts counting sometimes with mistakes | 2 | 48
                    mos. | 
        
    
        
        
            | Balances on one foot for 2 seconds (preferred) | 2 | 48
                    mos. | 
        
    
        
        
            | Balances on one foot for 4 seconds (preferred) | 3 | 48 – 72
                    mos. | 
        
    
        
        
            | Brushes teeth independently | 2 | 48
                    mos. | 
        
    
        
        
            | Buttons | 2 | 48
                    mos. | 
        
    
        
        
            | Cares for own toilet needs | 4 | 48 – 60
                    mos. | 
        
    
        
        
            | Catches bounced ball | 3 | 48 – 52
                    mos. | 
        
    
        
        
            | Consistently uses past tense | 1 | 48
                    mos. | 
        
    
        
        
            | Cooperates with other children | 2 | 48
                    mos. | 
        
    
        
        
            | Copies square | 3 | 48 – 72
                    mos. | 
        
    
        
        
            | Cuts 5-inch circle | 1 | 48
                    mos. | 
        
    
        
        
            | Cuts food with supervision | 2 | 48
                    mos. | 
        
    
        
        
            | Cuts with scissors | 3 | 48 – 60
                    mos. | 
        
    
        
        
            | Draws a 4-part person | 3 | 48
                    mos. | 
        
    
        
        
            | Draws a 6-part person | 3 | 48 – 72
                    mos. | 
        
    
        
        
            | Draws circle from memory | 1 | 48
                    mos. | 
        
    
        
        
            | Engages in fantasy play, narrative now includes story lines that are not part of day to day activities | 3 | 48
                    mos. | 
        
    
        
        
            | Enjoys doing new things | 1 | 48
                    mos. | 
        
    
        
        
            | Gallops | 1 | 48
                    mos. | 
        
    
        
        
            | Gives amounts up to four correctly | 3 | 48
                    mos. | 
        
    
        
        
            | Has a preferred friend | 1 | 48
                    mos. | 
        
    
        
        
            | Hops on one foot two to three times | 4 | 48 – 72
                    mos. | 
        
    
        
        
            | Imaginative play includes role playing | 2 | 48
                    mos. | 
        
    
        
        
            | Imitates gate with cubes | 1 | 48
                    mos. | 
        
    
        
        
            | Interested in new experiences | 1 | 48
                    mos. | 
        
    
        
        
            | Interested in “tricking” others and concerned about being tricked by others | 1 | 48
                    mos. | 
        
    
        
        
            | Is aware of gender | 3 | 48 – 60
                    mos. | 
        
    
        
        
            | Is understandable 100% of the time to unfamiliar listeners | 3 | 48 – 72
                    mos. | 
        
    
        
        
            | Knows what to do if cold | 1 | 48
                    mos. | 
        
    
        
        
            | Labels happiness, sadness, fear, and anger in self | 1 | 48
                    mos. | 
        
    
        
        
            | Listens to story at least 5 minutes, directing attention to reader | 1 | 48
                    mos. | 
        
    
        
        
            | Mashes own food | 2 | 48
                    mos. | 
        
    
        
        
            | Names some colors | 4 | 48 – 72
                    mos. | 
        
    
        
        
            | Names some numbers | 1 | 48
                    mos. | 
        
    
        
        
            | Names things when actions are described | 1 | 48
                    mos. | 
        
    
        
        
            | Negotiates solutions to conflicts | 1 | 48
                    mos. | 
        
    
        
        
            | Often cannot distinguish between fantasy and reality | 1 | 48
                    mos. | 
        
    
        
        
            | Often can’t tell what’s real and what’s make-believe | 1 | 48
                    mos. | 
        
    
        
        
            | Participates in group play | 1 | 48
                    mos. | 
        
    
        
        
            | Plays board games | 3 | 48 – 72
                    mos. | 
        
    
        
        
            | Plays card games | 2 | 48
                    mos. | 
        
    
        
        
            | Plays with favorite toys | 1 | 48
                    mos. | 
        
    
        
        
            | Points to five colors | 1 | 48
                    mos. | 
        
    
        
        
            | Points to letters when named | 1 | 48
                    mos. | 
        
    
        
        
            | Points to numerals when named | 1 | 48
                    mos. | 
        
    
        
        
            | Points to things that are the same versus different | 3 | 48
                    mos. | 
        
    
        
        
            | Prefers playing with other children | 1 | 48
                    mos. | 
        
    
        
        
            | “Reads” several common signs/ store names | 1 | 48
                    mos. | 
        
    
        
        
            | Remembers parts of a story | 2 | 48
                    mos. | 
        
    
        
        
            | Rote counts to 4 | 1 | 48
                    mos. | 
        
    
        
        
            | Sings a song or says a poem from memory | 2 | 48
                    mos. | 
        
    
        
        
            | Speaks five-word sentences | 1 | 48
                    mos. | 
        
    
        
        
            | Standing broad jump: 1 foot | 1 | 48
                    mos. | 
        
    
        
        
            | Starts to copy some capital letters | 2 | 48
                    mos. | 
        
    
        
        
            | Talks about what she likes | 1 | 48
                    mos. | 
        
    
        
        
            | Tells stories | 3 | 48
                    mos. | 
        
    
        
        
            | Tells you what they think is going to happen next in a book | 2 | 48
                    mos. | 
        
    
        
        
            | Ties single knot | 2 | 48 – 72
                    mos. | 
        
    
        
        
            | Understands more complex adjectives (eg. pointed) | 2 | 48 – 60
                    mos. | 
        
    
        
        
            | Understands simple analogies (ice is cold and fire is ....) | 1 | 48
                    mos. | 
        
    
        
        
            | Uses 300 words | 1 | 48
                    mos. | 
        
    
        
        
            | Uses “feeling” words | 1 | 48
                    mos. | 
        
    
        
        
            | Uses fork well | 3 | 48 – 60
                    mos. | 
        
    
        
        
            | Uses tongs to transfer | 1 | 48
                    mos. | 
        
    
        
        
            | Uses words that represent time | 3 | 48
                    mos. | 
        
    
        
        
            | Views self as a whole person involving body, mind, and feelings | 2 | 48
                    mos. | 
        
    
        
        
            | Walks or runs forward and backward with agility | 1 | 48
                    mos. | 
        
    
        
        
            | Washes face | 1 | 48
                    mos. | 
        
    
        
        
            | Wipes after bowel movement | 1 | 48
                    mos. | 
        
    
        
        
            | Writes part of first name | 2 | 48 – 60
                    mos. | 
        
    
        
        
            | Able to cut food with table knife independently | 2 | 60
                    mos. | 
        
    
        
        
            | Alternates from being cooperative to being demanding | 2 | 60
                    mos. | 
        
    
        
        
            | Apologizes for mistakes | 1 | 60
                    mos. | 
        
    
        
        
            | Balances on one foot for 10 seconds (preferred) | 4 | 60 – 72
                    mos. | 
        
    
        
        
            | Bathes independently | 1 | 60
                    mos. | 
        
    
        
        
            | Better understands the concept of time | 1 | 60
                    mos. | 
        
    
        
        
            | Builds stairs with cubes from model | 1 | 60
                    mos. | 
        
    
        
        
            | Can do a somersault | 2 | 60
                    mos. | 
        
    
        
        
            | Can swing independently, pumping with legs | 2 | 60
                    mos. | 
        
    
        
        
            | Can use clothespins to transfer small objects | 1 | 60
                    mos. | 
        
    
        
        
            | Copies geometric pattern, like a flag | 3 | 60 – 72
                    mos. | 
        
    
        
        
            | Copies triangle | 4 | 60 – 72
                    mos. | 
        
    
        
        
            | Counts 10 things | 2 | 60
                    mos. | 
        
    
        
        
            | Defines simple words | 1 | 60
                    mos. | 
        
    
        
        
            | Distinguishes fantasy from reality | 3 | 60 – 72
                    mos. | 
        
    
        
        
            | Draws an 8-part person | 1 | 60
                    mos. | 
        
    
        
        
            | Enjoys rhyming words and alliterations | 1 | 60
                    mos. | 
        
    
        
        
            | Gives amounts up to 10 correctly | 1 | 60
                    mos. | 
        
    
        
        
            | Has group of friends | 1 | 60
                    mos. | 
        
    
        
        
            | Hops on one foot 15 times | 4 | 60 – 72
                    mos. | 
        
    
        
        
            | Identifies coins | 1 | 60
                    mos. | 
        
    
        
        
            | Jumps backward | 1 | 60
                    mos. | 
        
    
        
        
            | Knows about things used every day in the home (money, food, appliances) | 2 | 60
                    mos. | 
        
    
        
        
            | Knows important numbers (parent phone number, address) | 1 | 60
                    mos. | 
        
    
        
        
            | Knows right and left on self | 1 | 60
                    mos. | 
        
    
        
        
            | Knows sounds of consonants and short vowels | 1 | 60
                    mos. | 
        
    
        
        
            | Likes to act | 2 | 60
                    mos. | 
        
    
        
        
            | Likes to dance | 2 | 60
                    mos. | 
        
    
        
        
            | Likes to sing | 2 | 60
                    mos. | 
        
    
        
        
            | More likely to agree with rules | 2 | 60
                    mos. | 
        
    
        
        
            | Names 10 colors | 1 | 60
                    mos. | 
        
    
        
        
            | Names letters out of order | 1 | 60
                    mos. | 
        
    
        
        
            | Names numerals out of order | 1 | 60
                    mos. | 
        
    
        
        
            | Points correctly to “side,” “middle,” “corner” | 1 | 60
                    mos. | 
        
    
        
        
            | Points to different one in a series | 1 | 60
                    mos. | 
        
    
        
        
            | Produces words that rhyme | 1 | 60
                    mos. | 
        
    
        
        
            | Puts paper clip on paper | 1 | 60
                    mos. | 
        
    
        
        
            | Reads 25 words | 1 | 60
                    mos. | 
        
    
        
        
            | Repeats six-word sentence | 1 | 60
                    mos. | 
        
    
        
        
            | Responds to “why” questions | 1 | 60
                    mos. | 
        
    
        
        
            | Responds verbally to good fortune of others (eg. "Congrats!") | 1 | 60
                    mos. | 
        
    
        
        
            | Retells part of a story | 1 | 60
                    mos. | 
        
    
        
        
            | Retells story with clear beginning, middle, end | 1 | 60
                    mos. | 
        
    
        
        
            | Rote counts to 10 | 2 | 60 – 72
                    mos. | 
        
    
        
        
            | Running broad jump 2 feet | 1 | 60
                    mos. | 
        
    
        
        
            | Says name and address | 2 | 60
                    mos. | 
        
    
        
        
            | Shows concern and sympathy for others | 1 | 60
                    mos. | 
        
    
        
        
            | Skips | 4 | 60 – 72
                    mos. | 
        
    
        
        
            | Speaks sentences of more than 5 words | 1 | 60
                    mos. | 
        
    
        
        
            | Spreads with knife | 1 | 60
                    mos. | 
        
    
        
        
            | Takes on more independence outside of home | 2 | 60
                    mos. | 
        
    
        
        
            | Tells a simple story using full sentences | 3 | 60 – 72
                    mos. | 
        
    
        
        
            | Understands “er” endings | 1 | 60
                    mos. | 
        
    
        
        
            | Uses 2,000 words | 1 | 60
                    mos. | 
        
    
        
        
            | Uses future tense | 2 | 60
                    mos. | 
        
    
        
        
            | Uses letter names as sounds to invent spelling | 1 | 60
                    mos. | 
        
    
        
        
            | Walks backward heel-toe | 1 | 60
                    mos. | 
        
    
        
        
            | Wants to be like friends | 3 | 60 – 72
                    mos. | 
        
    
        
        
            | Wants to please friends | 3 | 60 – 72
                    mos. | 
        
    
        
        
            | Writes first name | 1 | 60
                    mos. | 
        
    
        
        
            | Writes some letters | 2 | 60 – 72
                    mos. | 
        
    
        
        
            | Writes some numbers | 3 | 60 – 72
                    mos. | 
        
    
        
        
            | 10,000 word vocabulary | 1 | 72
                    mos. | 
        
    
        
        
            | Asks what unfamiliar words mean | 1 | 72
                    mos. | 
        
    
        
        
            | Builds stairs with cubes from memory | 1 | 72
                    mos. | 
        
    
        
        
            | Can tell which words do not belong in a group | 1 | 72
                    mos. | 
        
    
        
        
            | Combs hair | 1 | 72
                    mos. | 
        
    
        
        
            | Creates short sentences | 1 | 72
                    mos. | 
        
    
        
        
            | Describes events in order | 1 | 72
                    mos. | 
        
    
        
        
            | Does simple addition/subtraction | 1 | 72
                    mos. | 
        
    
        
        
            | Draws a 12-part person (includes facial features, fingers for example) | 1 | 72
                    mos. | 
        
    
        
        
            | Draws diamond from memory | 1 | 72
                    mos. | 
        
    
        
        
            | Enjoys school | 1 | 72
                    mos. | 
        
    
        
        
            | Forms letters with down-going and counterclockwise strokes | 1 | 72
                    mos. | 
        
    
        
        
            | Gives amounts up to 20 correctly | 1 | 72
                    mos. | 
        
    
        
        
            | Has best friend | 1 | 72
                    mos. | 
        
    
        
        
            | Has mature pencil grasp | 1 | 72
                    mos. | 
        
    
        
        
            | Knows days of the week | 1 | 72
                    mos. | 
        
    
        
        
            | Listens to a story or lesson for at least 10 minutes | 1 | 72
                    mos. | 
        
    
        
        
            | Looks both ways at street | 1 | 72
                    mos. | 
        
    
        
        
            | Reads 250 words | 1 | 72
                    mos. | 
        
    
        
        
            | Remembers to bring belongings | 1 | 72
                    mos. | 
        
    
        
        
            | Repeats 8-word sentences | 1 | 72
                    mos. | 
        
    
        
        
            | Rote counts to 20 | 1 | 72
                    mos. | 
        
    
        
        
            | Sounds out regularly spelled words | 1 | 72
                    mos. | 
        
    
        
        
            | Tandem walks | 1 | 72
                    mos. | 
        
    
        
        
            | Ties shoes | 2 | 72
                    mos. | 
        
    
        
        
            | Understands seasons | 1 | 72
                    mos. | 
        
    
        
        
            | Uses appropriate tenses | 1 | 72
                    mos. | 
        
    
        
        
            | Writes first and last name | 1 | 72
                    mos. | 
        
    
        
        
            | Writes short sentences | 1 | 72
                    mos. | 
        
    
        
        
            | Becomes upset in response to "no" | 0 |  | 
        
    
        
        
            | Climbs down from furniture with help | 0 |  | 
        
    
        
        
            | Puts shoes on correct feet | 0 |  | 
        
    
        
        
            | Rolls for purpose of movement across space | 0 |  | 
        
    
        
        
            | Traverses across space in seated position (scoots) | 0 |  |