Baby developmental milestones Part 2

Child’s Age Mastered Skills (most kids can do)

Emerging Skills (half of kids can do)

Advanced Skills (a few kids can do)

19 months

Uses a spoon and fork
Throws a ball underhand
Enjoys helping around the house

Understands as many as 200 words
Recognizes when something is wrong (e.g., calling a dog a cat)

Washes and dries own hands with help
Points to picture or object when you call it by name
May know when she needs to pee

20 months

Feeds doll
Takes off own clothes
Dumps an object in imitation, such as throwing garbage away

Learns words at a rate of ten or more a day
Can walk up stairs (but probably not down)

May start exploring genitals
Draws a straight line
Names several body parts

21 months

Can walk up stairs
Able to set simple goals (e.g., deciding to put a toy in a certain place)

Throws a ball overhand
Kicks ball forward
Stacks six blocks
Names simple picture in a book
Can walk down stairs
22 months

Kicks ball forward
Follows two-step requests (e.g., “Get your doll and bring it here”)

Does simple puzzles
Draws a straight line
Names several body parts

Puts on loose-fitting clothes
Might be ready for a big bed
Understands opposites (e.g., tall vs. short)

23 months Names simple picture in a book
Uses 50 to 70 words

Opens doors
Sings simple tunes
Takes more of an interest in playing with other kids

Talks about self   (likes, dislikes)
Asks “why?”

24 months

Names at least six body parts
Half of speech is understandable
Makes two- to three-word sentences

Talks about self
Arranges things in categories
Can walk down stairs

Begins to understand abstract concepts (e.g., sooner and later)
Becomes attuned to gender differences
Learns to jump

25 and 26 months

Stacks six blocks
Walks with smooth heel-to-toe motion

Uses pronouns (e.g., I, me, you)
Washes and dries own hands

Speaks clearly most of the time
Draws a vertical line

27 and 28 months

Jumps with both feet
Opens doors

Understands descriptions (e.g., big, soft)
Draws a vertical line

Starts to recognize ABCs
Balances on one foot

29 and 30 months

Brushes teeth with help
Washes and dries own hands
Draws a vertical line

Draws a circle
Balances on one foot

Puts on a T-shirt
Names one color
Names one friend

31 and 32 months

Recites own name
Draws a circle

Puts on a T-shirt
Balances on each foot for a second
Recognizes ABCs
Brushes teeth by herself

Uses two adjectives
Draws a cross
Points to objects described by use

33 and 34 months

Names one color
Names one friend
Carries on a simple conversation

Alternates feet going up and down stairs
Uses prepositions (e.g., on, in, over)
Speaks clearly most of the time (75 percent can be understood)
Stacks eight blocks

Is toilet trained during the day
Wiggles thumb
Expresses a wide range of emotions
Draws a stick figure

35 and 36 months

Describes how two objects are used
Uses three to four words in a sentence
Names two actions (e.g., skipping, jumping)

Hops and skips
Follows a two- or three-part command
Separates fairly easily from parents
Rides a tricycle

Balances on each foot for three seconds
Gets dressed without help


Four year old

Physical development

  • Head circumference is usually not measured after age three.
  • Requires approximately 1,700 calories daily.
  • Hearing acuity can be assessed by  child’s correct usage of sounds and *Language, also by the child’s appropriate responses to questions and instructions.


  • Can recognize that certain words sound similar
  • Names eighteen to twenty uppercase letters. Writes several letters and sometimes their name.
  • A few children are beginning to read simple books, such as alphabet books with only a few words per page and many pictures.
  • Likes stories about how things grow and how things operate.
  • Delights in wordplay, creating silly Language.
  • Understands the concepts of  “tallest,” “biggest,” “same,” and “more”; selects the picture that has the “most houses” or the “biggest dogs.”
  • Rote counts to 20 or more.
  • Understands the sequence of daily events: “When we get up in the morning, we get dressed, have breakfast, brush our teeth, and go to school.”
  • When looking at pictures, can recognize and identify missing puzzle parts (of person, car, animal).
  • Very good storytellers.
  • Counts 1 to 7 objects out loud, but not always in order
  • follows two to three step directions given individually or in a group
  • may put the “ed” on the end of words such as “I goed outside and I played.”


  • Uses the prepositions “on,” “in,” and “under.”
  • Uses possessives consistently: “hers,” “theirs,” “baby’s.”
  • Answers “Whose?”, “Who?”, “Why?”, and “How many?”
  • Produces elaborate sentence  structures: “The cat ran under the house before I could see what      color it was.”
  • Speech is almost entirely intelligible.
  • Begins to correctly use the past tense of verbs: “Mommy closed the door,” “Daddy went to work.”
  • Refers to activities, events, objects, and people that are not present.
  • Changes tone of voice and sentence structure to adapt to listener’s level of under-standing: To baby brother, “Milk gone?” To Mother, “Did the baby drink all of his  milk?”
  • States first and last name, gender,  siblings’ names, and sometimes own telephone number.
  • Answers appropriately when asked what to do if tired, cold, or hungry. Recites and sings simple songs and      rhymes.

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