0-6 Months
Lifts head off bed
Pushes chest off bed with arms
Able turn head side to side
Rolls over
Stands when held
Sits with support
Responds to familiar voices
Babbles, talks, smiles and laughs
Plays
Creates attachments
6-12 Months
Sits without support
Stands holding on to objects
Pulls to standing position
Walks holding on to objects
Plays pat-a-cake
Turns head when spoken to
Imitates speech sounds
Crawls
Throws toys
Looks for objects
Waves, shakes head and gestures
Points to pictures of body parts
Has stranger anxiety
Has separation anxiety
Plays peek-a-boo
13-18 Months
Stands without holding on
Walks well
Drinks from cup
Says three words other than "dada" or "mama"
Walks backwards
Walks up stairs with help
Sorts by color and shape
Has magical thinking
Imitates animal sounds
Speaks in two to three word sentences
Refuses to share
Has temper tantrums
Bites and hits
Has mood swings
19-24 months
Feeds self with spoon
Follows a single instruction
Throws ball overhead
Points to body parts when asked
Combines two different words
Speaks in two to three word sentences
Walk up and down stairs alone
Kicks balls
Builds towers
Unzips zippers
25-36 months
Holds crayon with finger, not fist
Helps clean up
Is potty-trained or close to it
Alternates feet on steps
Opens doors
Rides toys
Runs
Plays with other children
Pretends when playing
Takes turns
Shows shame, guilt, pride and envy
Is self aware
3-5 years
Grows less quickly
Can wash hands
Undresses self (age 3)
Dresses self (age 5)
Knows primary colors
Able to ask for wants and needs
Needs and enjoys being with other children
Talks using "I" or "Me"
Plays longer with one toy
Recognizes danger
Listens to instructions such as "stop" and "no"
Can be away from parents for short periods of time
Talks in three-or-more word sentences
Pretends and role plays
6-12 years
Enjoys puns, jokes and stories
Shows improved eye/hand coordination
Shows intellectual curiosity
Shows Better coordination
Enjoys organized sports
Develops friendships
Undergoes mini growth spurts
Shows signs of prepuberty
Develops concrete thinking skills
13-18 years
Undergoes growth spurts
Displays increased clumsiness
Needs privacy
Increases independence
Listens to peers' opinions
Has mood swings
Can problem solve
Shows secondary sex characteristics
Develops breasts and/or pubic hair
