Developmental Milestones

Birth to 1 Year
Hearing & Understanding
  • Startles to loud sounds
  • Quiets or smiles when spoken to
  • Seems to recognize your voice and quiets if crying
  • Increases or decreases sucking behavior in response to sound
  • Makes pleasure sounds (cooing/going)
  • Cries differently for different needs
  • Smiles when sees you
2 to 3 Years
Hearing & Understanding
  • Understands differences in meaning
  • Follows two requests
  • Listens to and enjoys hearing stories for longer periods of time
  • Has a word for almost everything
  • Use 2-3 words to talk about or ask for things
  • Uses, k, g, f, t, d and n sounds
  • Speech understood by familiar listeners most of the time
  • Often asks for or directs attention to objects by naming them
3 to 4 Years
Hearing & Understanding
  • Hears when you call from another room
  • Hears television or radio at the same loudness level
  • Answers simple "what", "who", "where" and "why" questions
  • Talks about activities at school or at friends' homes
  • People outside the family usually understand the child's speech
  • Uses a lot of sentences that have 4+ words
  • Usually talks easily without repeating syllables or words
4 to 5 Years
Hearing & Understanding
  • Pays attention to a short story and answers simple questions about them
  • Hears and understands most of what is said at home and in school
  • Uses sentences that give lots of details
  • Tells stories that stick to topic
  • Communicates easily with other children and adults
  • Says most sounds correctly except a few like l, s, r, v, z, ch, sh, th
  • Says rhyming words
  • Some letters and numbers
  • Uses the same grammar as the rest of the family

This information was adapted from

Occupational Developmental Milestones

2 Months
  • Can hold head up and begins to push up when lying on tummy
  • Makes smoother movements with arms and legs
4 Months
  • Hold head steady, unsupported
  • Pushes down on legs when feet are on a hard surface
  • May be able to roll over from tummy to back
  • Can hold a toy and shake it and swing at dangling toys
  • Brings hands to mouth
  • When lying on stomach, pushes up to elbows
6 Months
  • Rolls over in both directions (front to back, back to front)
  • Begins to sit without support
  • When standing, supports weight on legs and might bounce
  • Rocks back and forth, sometimes crawling backward before moving forward
9 Months
  • Stands, holding on
  • Can get into sitting position
  • Sits without position
  • Pulls to stand
  • Crawls
12 Months
  • Gets to a sitting position without help
  • Pulls up to stand, walks holding on to furniture
  • Make take a few steps without holding on
  • May stand alone
18 Months
  • Walks alone
  • May walk up steps and run
  • Pulls toys while walking
  • Can help undress self
  • Drinks from a cup
  • Eats with a spoon
2 Years
  • Stands on tiptoe
  • Kicks a ball
  • Begins to run
  • Climbs onto and down from furniture without help
  • Walks up and down stairs holding on
  • Throws ball overhand
  • Makes or copies straight lines and circles
3 Years
  • Climbs well
  • Runs easily
  • Pedals a tricycle
  • Walks up and down stairs, one foot on each step
4 Years
  • Hops and stands on one foot up to 2 seconds
  • Catches a bounced ball most of the time
  • Pours, cuts with supervision and mashes own food
5 Years
  • Stands on one foot for 10 seconds or longer
  • Hops; may be able to skip
  • Can do a somersault
  • Uses a fork and spoon and sometimes a table knife
  • Can use the toilet on by him/herself
  • Swings and climbs

Milestones derived from

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