At 3 months I should be able to:

• Look at objects and follow them as they move
• Raise my head while on my tummy
• Recognize the bottle or breast

At 6 months I should be able to:

• Babble and coo
• Turn toward normal sounds
• Roll over (both ways)
• Sit with minimum support

At 12 months I should be able to:

• Say "Mama" and "Dada"
• Imitate gestures (wave bye-bye)
• Finger feed myself
• Crawl on my hands and knees
• Pull myself to a standing position

At 18 months I should be able to:

• Say 2 to 6 words
• Drink from a cup
• Stack 2 to 3 blocks
• Scribble with a crayon
• Walk well without help

At 24 months I should be able to:

• Use two word sentences
• Point to at least 5 body parts
• Follow simple requests
• Feed self with a spoon
• Turn pages in a book one at a time
• Climb stairs unassisted