2 months

• Holds head up when on tummy
• Moves both arms and both legs while on back
• Raises head and chest while lying on stomach
• Primitive reflexes present, including the rooting and sucking reflex

• Grasps adult finger
• Briefly relaxes hands from fists for short period of time

4 months

• Holds head steady without support 
• Pushes onto elbows when lying on tummy

• Holds a toy when you put it in his hand
• Brings hands to mouth
• Swings arm at objects

6 months

• Rolls from tummy to back
• Pushes up with straight arms when on tummy
• Leans on hands to support self when sitting
• Supports weight equally on legs when standing with support

• Holds hands together
• Shakes and bangs rattles

9 months

• Gets to sitting position independently
• Sits without support
• Lowers body to sitting while using support

• Moves things from one hand to another
• Uses fingers to “rake” food towards self

1 year

• Walks holding onto furniture
• Pulls up to stand

• Drinks from a cup without a lid with adult support
• Uses thumb and finger “pincer grasp” to pick up small items

15 months

• Takes a few steps independently
• Squats to pick up an object from the floor and then stands up without support

• Uses fingers to feed self some food
• Makes marks on paper using crayon

18 months

• Walks without support 
• Climbs on and off a couch or chair without help

• Drinks from a cup 
• Feeds herself with fingers
• Tries to use a spoon
• Tries to kick a ball after observing an adult

2 years

• Kicks a ball
• Runs
• Walks (not climbs) up stairs with or without help

• Eats with a spoon
• Tries to use switches, knobs, or buttons on a toy

30 months

• Jumps off the ground with both feet

• Uses hands to twist things like doorknobs or unscrewing lids
• Takes off loose clothing alone
• Turns book pages, one at a time

3 years

• Climbs well
• Runs easily
• Pedals a tricycle
• Walks up and down stairs, one foot on each step

• Strings items together, like large beads or macaroni
• Dresses self in loose clothing
• Uses a fork 

4 years

• Hops and stands on one foot up to two seconds
• Catches a bounced ball most of the time

• Pours, cuts with supervision, and mashes own food
• Uses scissors
• Draws a person with two to four body parts
• Starts to copy some capital letters

5 years

• Stands on one foot for 10 seconds
• Hops, may be able to skip
• Can do a somersault
• Swings and climbs

• Uses a fork and spoon
• Can print some letters and numbers
• Draws a person with six body parts

6-8 years

• Strong motor skills, but balance and endurance can vary
• Develops a quicker reaction time

• Can use scissors and small tools
• Can tie their shoelaces
• May begin writing in print and cursive

9-12 years

• Engage or becomes interested in team sports
• Enjoy active play, such as bike-riding, swimming, and running games
• Gets dressed independently

• Uses simple toos, such as a hammer, by themselves
• Enjoy to draw, paint, make jewelry, build models, or do other activities that use their fine motor skills
• Bushes hair and teeth without help