1 month

  • sees black and white patterns
  • focuses on objects
  • responds to loud noises

 

2 months

  • eye gaze
  • social smile
  • cooing starts - ooh, aah
  • makes happy noises

 

4 months

  • laughs
  • recognizes familiar voices
  • demands social attention

 

6 months

  • babbling
  • separation anxiety
  • smiles at self in the mirror
  • plays peek - a boo

 

 

9 months

  • says mama and dada
  • likes and dislikes people, objects, places
  • imitates gestures and sounds
  • points to desired objects
  • plays pat a cake

 

12 months

  • understands 'no'
  • points to objects to identify
  • has 3-5 words
  • enjoys board books with simple pictures
  • imitative play
  • observes other children

 

 

15 months

  • favorite words are 'no' and 'me'
  • says 'hi' and 'bye'
  • follows commands
  • desires interactions from adults

18 months

  • attempts to produce running speech
  • knows body parts
  • has 5-10 words
  • makes animal sounds
  • requests 'more'
  • enjoys looking at photos
  • imitates adult routines

 

 

2 years

  • uses 2 words together
  • has 50 words
  • asks "What's that?"
  • takes turns
  • names body parts
  • uses pronouns
  • requests items by names
  • understands big/little
  • answers 'where' questions
  • speech is intelligible to familiar caregivers
  • enjoys listening to stories
  • plays beside other children 

 

 

 

3 years

  • 3-5 word sentences
  • asks 'Why' questions
  • carries on conversations
  • tells age with fingers
  • speech is more clear
  • tells short stories
  • follows directions

 

4 years

  • recalls events and language is exploding
  • names colors
  • knows full name
  • knows nursery rhymes
  • asks and answers questions

 5 years 

  • knows songs and simple games
  • follows directions
  • plays cooperatively
  • plays games with rules