A

4 years, #6ACooperates with other childrenUses scissorsWalks up and down stairs without support

B

2 years, #4BBegins make-believe playBegins to runBegins to show defiant behaviorBegins to sort by shapes and colorsSays 2-4 word sentencesTurns over container to pour out contentsWalks aloneWalks up and down stairs holding on to support

C

7 months, #2CBabble chains of soundsCan tell emotions by tone of voiceDevelops full color visionResponds to own nameTransfers object from hand to hand

D

3 months, #1DBegins to babbleBrings hand to mouthFirst smile

3 Month Old Baby

E

3 years, #5ECan ride a tricycleExpresses affections openlySorts objects by shape and color

F

1 year, #3FBangs two objects togetherCrawls forward on bellyCries when parent leavesFinds objects even when hidden under two or three coversFinger feeds him/herselfReaches sitting potion without helpResponds to “no”Says “dada” and “mama”

G

5 years, #7GDresses and undresses without helpUses fork, spoon and (sometimes) a knife to eat