Infant 1-6 Months
Infant 7-12 Months
Toddler 1-3 Years
Preschool 3 to 5 Years
100

Age at which the posterior fontanelle closes

What is 2 months

100
Age at which a child plays pat-a-cake

What is 8 months

100
Age at which child can turn pages of a book

What is 24 months

100

Age at which a child can make 3 word sentence

What is 3 years

200

A child this age experiences head lag

What is 1 month

200

Age at which the parachute reflex is intact

What is 7 months

200

Age at which a child can walk backwards

What is 16-18 months

200

Age at which a child becomes aggressive and shows off

What is 4 years

300

A child this age has an intact grasp reflex

What is 3 months

300

Age at which we add meats to diet

What is 9 months

300

Age at which a child begins to ask why or how

What is 36 months

300

Age at which a child should know days of the week and count to 10

What is 5 years

400

A child this age has doubled their birth weight

What is 6 months

400

Age at which pincer grasp is intact

What is 12 months

400

Age at which child experiences object permananence

What is 12-16 months

400

Age at which child is able to use scissors and lace shoes

What is 4 years

500

A child this age begins teething and drooling

What is 4 months

500

Age at which a child begins creeping

What is 9 months
500

Age at which child begins to use symbolic language

What is 16-18 months

500

Age at which child becomes sensitive and expresses feelings of fear and anger

What is 3 years

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