2-3 months
Turn head up and side to side
Cooing noises
Head turns to sound
4-5 months
Grasps
Roll over to tummy and back
Babble
Mimic sounds
6-7 months
Sits up
Waves bye
Recognize faces
Passes things btwn hands
8-9 months
Stands straight at 8
Has favorite toy
Plays peek-a-boo
10-11 months
Belly to butt
12-13 months
Twelve and up, drinks from a cup.
Cries when parents leave.
Uses furniture to cruise