How to produce /tʃ/, common errors, and practice activities
Sound Symbol
/tʃ/
Typical Development
3-5 years
Expected Mastery
4-5 years
The CH sound combines a 'stop' (like T) with a 'fricative' (like SH) in quick succession. This requires coordinated movements that develop between ages 3-5. Children may simplify CH to either T or SH while learning. CH is essential for common words like 'cheese,' 'chicken,' and 'church,' making it important for clear communication.
Tongue tip touches the ridge behind the upper teeth (like T), then releases into the SH position. It's a quick two-part movement.
Lips are rounded and pushed forward, like for SH. The rounding happens as the tongue releases.
Teeth come close together as the tongue releases from the T position into the SH-like release.
Air is briefly stopped (like T), then released with friction (like SH). CH is voiceless (no vocal cord vibration).
The tongue doesn't stop airflow first—it goes straight to the SH portion, skipping the T-like beginning.
The tongue stops like T but doesn't release into the SH-like friction. The second part is missing.
The tongue releases into S instead of SH. Lips don't round, affecting the release portion.
The sound is attempted but produced with incorrect airflow, often sounding wet or lateral.
CH Sound at the beginning
CH Sound in the middle
CH Sound at the end
Try these activities at home to help your child practice the CH Sound.
Practice a 'CH-oo' sneeze sound. This naturally combines the stop-release needed for CH.
Make train sounds: 'CH-ch-ch-ch-ch!' like a train starting up. This practices repeated CH.
Practice 'T.....SH' slowly, then gradually speed up until it becomes one smooth 'CH' sound.
Go on a 'CH hunt' around the house finding objects that start or end with CH (chair, couch, light switch).
Consider a speech-language evaluation if:
Most children master the CH sound by age 4-5. Some 3-year-olds produce CH correctly, while others are still developing it at age 5. If your child consistently substitutes SH or T for CH past age 5, consider a speech evaluation.
Yes! CH is classified as an 'affricate'—a stop sound (T) immediately followed by a fricative (SH). The two parts happen so quickly they sound like one sound. Understanding this can help with teaching: practice 'T...SH' then speed up.
If your child is under 4, substituting SH for CH is developmentally appropriate. However, if this continues past age 5, or if your child can't tell the difference when YOU say the sounds, an evaluation would be helpful.
CH and J are a voiceless/voiced pair—same mouth position, but J adds voice (vocal cord vibration). CH is in 'church' (voiceless), J is in 'judge' (voiced). Children usually master CH first since voiceless sounds are typically easier.
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