Age

Sound Development

6-12 months

• child uses a variety of vowels when vocalizing (3-6 months)

• child babbles with several consonant sounds e.g. muhmuhmuh, dadada, bababa (6-9 months)

• child strings several different consonants together when babbling e.g. “gaduhba” (9-12 months) 

1-2 years

• by two years of age child uses 9 consonant sounds in words

• imitates some words accurately

• “n,m,p,b,t,d,h,y,w” sounds used in words

• by two years of age people understand approximately 50% of what your child says

• common errors include- 

  • leaving sounds off ends of words e.g. “da” for ‘dog’

  • sound substitutions e.g. “wing” for ‘ring’

  • deleting syllables in long words e.g. “tephone” for 'telephone' 

2-3 years 

• people can understand 75% of what your child says

• “k,g,f” now being used

3-4 years

• “s,z" blends (e.g. spoon, star) now being used

4-5 years

• “sh,ch, j, l, l" blends (e.g. plane, clock, fly) now being used