Between 3 and 6 months, most children:
Roll over * hold head in supported sitting position * hold and mouth toys * respond to caregiver's voice * laugh and coo * play with hands, fingers and toys * smile
Between 6 and 9 months, most children:
Sit independentl * creep backwards * reach for toys * babble * vocalize to gain attention * watch caregivers walk across the room * hold their own bottle * smile at themselves in a mirror
Between 9 and 12 months, most children:
Crawl and pull to stand * point toward a desired object * respond to words * wave bye-bye * finger feed * look at books * play peek.a-boo * have stranger anxiety * look when their name is called
Between 12 and 18 months, most children:
Walk * remove their socks * say "mama" and "dada" * roll a ball to an adult * drink from an open cup * can be easily distracted * use approximately 10 words * have tantrums
Between 18 and 24 months, most children:
Take their shoes off * throw a ball overhand * walk up and down steps with hand held * scribble * know three body parts * use 15 to 39 words * start using a spoon * can follow simple directions
Between 24 and 36 months, most children:
Run * "jumpin place * take off their own coat * listen to simple stories and request them again * use two-word phrases * say their first name * understand and can follow routines
Between 2 and 3 years of age, mot children:
Pedal a tricycle * walk up and down stairs * speak in short sentences * dress themselves with some help * respond to "take one" or "give me one" * begin to play nicely with others
Between 3 and 4 years of age, most children:
Know their own name, age and gender * jump forward or over an object * draw a circle * are completely toilet trained * understand "same" or "different" concepts * ask many questions
'Between 4 and 5 years of age, most children:
Skip or gallop * play on the playground with good coordination * speak in full sentences * count to 10 * identify colors and shapes * listen and take turns in a peer group * print a few capital letters