Developmental Milestones
The American Speech-Language Hearing Association has a website including articles and resources that discuss milestones for speech-language development. Click here to access the site: https://www.asha.org/slp/schools/prof-consult/norms/
Developmental Milestones - Articulation
According to the Weiss Comprehensive Articulation Test norms, the following ages are given for specific phoneme acquisition.
According to the Weiss Comprehensive Articulation Test norms, the following ages are given for specific phoneme acquisition.
- Age 3: p, b, m
- Age 4: n, ing, w, h
- Age 4 ½: t, d, k, g
- Age 5: f, v, y
- Age 5 ½: th, l
- Age 6 ½: r, s, z, sh, ch, j, zh
- Age 7: all consonant blends
Year 5-6 Developmental Milestones
- Follows directions given to a group
- Follows multi-step commands
- Asks appropriate questions
- Uses past tense and future tense appropriately
- Uses conjunctions
- Has a receptive vocabulary of approximately 13,000 words
- Has an expressive vocabulary of approximately 2,000 words
- Names opposites
- Continues to greatly increase vocabulary
- Produces sentences averaging 4-6 words
- Reverses sounds occasionally
- Exchanges information and asks questions
- Uses sentences with details
- Accurately relays a story
- Can sing songs and recite nursery rhymes
- Communicates easily with adults and other children
- Uses appropriate grammar in most cases
- Defines by function
Year 6-7 Developmental Milestones
- Names some letters, numbers, and currencies
- Sequences numbers
- Understands left and right
- Uses increasingly more complex descriptions
- Engages in conversations
- Has a receptive vocabulary of approximately 20,000 words
- Has an expressive vocabulary of approximately 2,600 words
- Uses a sentence length of approximately 6 words
- Understands most concepts of time and space
- Recites the alphabet
- Uses most grammatical endings appropriately