
Developmental Milestones
Young children learn and grow at individual rates. Below you will find developmental skills that typically occur in the age ranges indicated. Please remember that these are general guidelines - children develop at different rates and there is a broad range of "typical" development. However, should you have specific questions regarding your child, please feel free to call LIIDP at (516) 546-2333 or (631) 300-2333 to discuss your concerns with our caring specialists trained in early intervention and preschool services.
By the age of 0 - 3 months, most children...
- follow objects visually and reach for them
- respond to familiar people
- calm to parent’s voices
- lift head for several minutes
- turn head vigorously
- use improved vision to look at things closely and for longer time
- discover feet; wave and watch own hands
By the age of 4 - 6 months, most children...
- roll over; can sit briefly, with support
- babble
- use tongue to reject food
- try to get caregiver’s attention
- sleep through the night
- take 2 - 3 daytime naps
- put everything in their mouth
- drop objects on purpose
By the age of 6 - 12 months, most children...
- imitate sounds and facial expressions
- begin to play simple games (peek-a-boo)
- sit alone, creep, crawl
- start to walk holding onto furniture
- sleep through the night; take 1 - 2 daytime naps
- respond to own name
- hold their own bottle
By the age of 12 - 18 months, most children...
- follow simple directions; can roll ball back to you
- enjoy being with other children
- walk alone a few steps
- use single words
- drink from a cup; sip from a straw
- pull on you and point to what they want
- walk well; run
By the age of 18 - 24 months, most children...
- stack blocks; fit rings on post
- show sympathy for others
- walk well; run; ride tricycle
- use words to name familiar objects/people (20-50 words)
- eat with a spoon
- dance to fun music; play hide and seek
- always want their own way
By the age of 24 - 30 months, most children...
- point to 4 - 5 body parts
- imitate behaviors of adults and peers
- use crayons
- use short sentences (2 words)
- help in dressing
- have not learned to say please; often want toys other children have
- know their own name
By the age of 3 years, most children...
- have an increased attention span
- eat on their own
- become toilet trained and can stay dry all day
- complete simple puzzles
- know nearly 1,000 words but don’t always use them right
- follow directions
- draw a person with three parts
- start to ask “when” and “why” questions
By the age of 4 years, most children...
- resent being told what to do and think they know everything
- are fully toilet trained and wash hands without help
- resist your assistance and your rules
- can hop on one foot and throw a ball overhead
- ride a bicycle with training wheels
- know their full name and age
By the age of 5 years, most children...
- catch a ball with their hands
- put shoes on correct feet
- ask for meanings of words
- can write 1 through 5 correctly
- understand a few written words
- know their birthday
- like to tell what is going to happen next
- ask permission
- can count to 10
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