7 months

• Sits without support
• Drags objects toward herself

• Lunges forward or starts crawling
• Jabbers or combines syllables
• Starts to experience stranger anxiety

• Waves goodbye
• Stands while holding onto something
• Bangs objects together
• Begins to understand object permanence

8 months

• Says "mama" and "dada" to both parents (isn't specific)
• Passes objects from hand to hand

• Stands while holding onto something
• Crawls
• Points at objects
• Searches for hidden objects

• Pulls self to standing, cruises
• Picks things up with thumb-finger pincer grasp
• Indicates wants with gestures

9 months

• Stands while holding onto something
• Jabbers or combines syllables
• Understands object permanence

• Cruises while holding onto furniture
• Drinks from a sippy cup
• Eats with fingers
• Bangs objects together

• Plays patty-cake and peek-a-boo
• Says "mama" and "dada" to the correct parent

10 months

• Waves goodbye
• Picks things up with pincer grasp
• Crawls well, with belly off the ground

• Says "mama" and "dada" to the correct parent
• Indicates wants with gestures

• Stands alone for a couple of seconds
• Puts objects into a container

11 months

• Says "mama" and "dada" to the correct parent
• Plays patty-cake and peek-a-boo
• Stands alone for a couple of seconds
• Cruises

• Understands "no" and simple instructions
• Puts objects into a container

• Says one word besides "mama" and "dada"
• Stoops from standing position

12 months

• Imitates others' activities
• Indicates wants with gestures

• Takes a few steps
• Says one word besides "mama" and "dada"

• Walks alone
• Scribbles with a crayon
• Says two words besides "mama" and "dada"