Th 

Voiceless (as in with)

Your child may be substituting their 'th' sound with other sounds such as 't' or 'f'.  

Encourage your child to distinguish the difference between t, f, and th.  

θ

/f/-/θ/

If the child is substituting /f/ for /θ/, have the child begin making the /f/ sound.  Instruct the child to push their bottom lip forward with their tongue, creating  /θ/

/t/-/θ/

Target: /θ/ in isolation

Instruct the child to make the /t/ sound.  Then, have the child move their tongue to between their teeth.  Encourage the child to blow air with their tongue in this position. Switching their tongue between these 2 positions may allow for them to realize the differences between the two sounds.   

Voiced (as in that)

 Minimal pairs

Materials: Minimal pair cards

Target: /θ,ð/ at the word level

Use minimal pair cards to help the child distinguish between common substitution sounds.   

 Th minimal pairs

ð

 Minimal pairs

Materials: Minimal pair cards

Target: /θ,ð/ at the word level

Use minimal pair cards to help the child distinguish between common substitution sounds.   

 Th minimal pairs

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