Quietens to sound at 4 weeks. Vocalises when talked to at 8 weeks.

Squeals of pleasure. Says ‘aah’ or ‘naah’ when spoken to. Turns head to sound at the same level.

Smiles and vocalises at mirror image. monosyllabic babble. Polysyllabic sounds formedba,da,ka at 7 mths. Turns head towards a sound above the level (7 to 9 months).

Babbles loudly in long repetitive syllables. Responds to name. Understands ‘No’ and ‘Bye- bye’ Imitates playful sounds e.g. cough, ‘brrr’ Localises sound above and below the ear level.

Knows and responds to name. Babbles in conversational cadences. Understands simple instructions. 1 - 3 words with meaning. Locates sounds in all directions.

Jargon. 2-6 intelligible words. Obeys simple commands. Points to familiar persons, toys when requested.

Jargon. 6-20 intelligible words. Points to 2 - 3 body parts.

Uses 50 or more words. Uses 2 - 3 word phrases. Points to 6 body parts. Names familiar objects and pictures. Follows a series of 2 simple but related commands. Joins in nursery rhymes and sings.

Speaks in phrases. Frequently asks questions (What, Who). Uses pronouns (I, me, you) correctly. Knows full name. Can select pictures of action e.g. which one is eating

Gives full name, gender, sometimes age. Uses personal pronouns and most prepositions correctly. Ask many questions (What, where, who) Identify objects by function e.g. which one we drink from. Counts by rote up to 10 or more but does not appreciate quantity beyond 2 or 3. Names 2 colours.

Speech grammatically correct and completely intelligible Names 4 colours. Gives full name, address and age. Listens to and tells long stories. Counts by rote up to 20 and begins to count by word and touch up to 4 or 5.

Names birthday and home address. Defines nouns by use. Uses “first, then, last” (time and sequence concepts). Enjoys jokes and riddles. Tells time.