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By 3 months: |
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Makes sucking sounds and baby sounds such as "aah" and "ee" |
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Makes eye contact |
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Pushes up on arms and holds head up |
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Stays awake for one hour or longer |
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Moves arms and legs |
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Looks at own hands and surroundings |
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Follows a moving toy with eyes and reaches for toy |
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Smiles in response to adult voices |
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Sleeps for 3 to 4 hours at a time |
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By 6 months: |
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Babbles when alone |
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Makes sounds like "dada" or "baba" |
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Rolls over |
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Sits with support |
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Begins to feed self |
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Moves object from one hand to the other hand |
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Smiles, laughs, squeals, and imitates razzing noise |
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Holds objects and puts in mouth |
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Shows interest in toys |
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By 9 months: |
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Responds to own name |
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Smiles at self in mirror |
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Sits without support |
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Understands words such as "bye bye" |
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Crawls on hands and knees and moves forward by scooting on bottom |
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Pulls up to standing position using furniture |
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Plays games such as peek-a-boo or pat-a-cake |
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Drinks from a cup with help |
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Pokes with index finger |
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By 12 months: |
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Takes a few steps alone |
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Picks up objects using thumb and first finger |
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Bangs two blocks together |
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Puts objects into a container |
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Drinks from a cup |
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Looks for dropped or hidden objects |
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Waves bye-bye |
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Feeds self |
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Points at objects |
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By 18 months: |
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Walks quickly and begins to run |
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Points to one or more body parts when named |
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Pulls toy while walking |
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Stacks three or four blocks |
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Says 15 to 20 words |
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Listens to a story, looks at pictures, and names objects |
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Follows simple directions, such as sit down |
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Scribbles and imitates line drawing |
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Throws a ball |
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By 24 months: |
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Says more than 20 words |
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Puts two or three words together in a sentence |
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Kicks a ball |
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Walks up and down stairs one step at a time |
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Stacks five or six blocks |
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Holds crayon with thumb and finger |
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Follows two-step directions, such as "pick it up and put it away" |
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Imitates other children and adults |
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By 36 months: |
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Speaks and is understood by others |
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Plays with other children |
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Jumps in place and balances on one foot |
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Uses imagination in play, such as playing house |
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Rides a tricycle |
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Knows own name and age |
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Tries to sing songs with words |
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Sorts shapes ™ã circle, triangle, and square |
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Buttons large buttons |
