The CH Sound: A Simple At-Home Practice Plan

Reviewed by a licensed speech-language pathologist

Quick answer: The CH sound is a blend of a quick stop and a soft hiss, which is why many young children swap in T or SH first. A simple home plan moves from the sound alone to syllables, words, and phrases, in short playful sessions. Most children master CH between ages three and five.

CH shows up everywhere in a child’s world: chair, chip, cheese, watch, teacher. When it comes out as “tair” or “shair,” parents notice fast. The good news is that CH responds well to steady, low-key practice at home, and knowing how the sound is built makes teaching it far easier. This plan walks through what CH actually is, when to expect it, and how to practice it without turning it into a chore.

What is the CH sound and why is it tricky?

CH is what speech-language pathologists call an affricate. That means it starts like a stop, similar to the T in “top,” and releases into a hiss, similar to the SH in “shoe.” The tongue tip lifts to the ridge just behind the top teeth, pressure builds, and then it lets go into a burst of air. Because two actions happen in quick succession, CH is more demanding than a single sound.

This is why the common substitutions make sense. A child who says “tair” for “chair” is keeping the stop and dropping the hiss. A child who says “shair” is keeping the hiss and dropping the stop. Both are natural steps, not signs that something is wrong. Learning how to produce the CH sound is really about teaching the mouth to combine the two parts smoothly.

At what age should CH appear?

Speech sounds arrive on a schedule that has plenty of room in it. According to developmental norms summarized by the American Speech-Language-Hearing Association, later-developing sounds like CH tend to settle in during the preschool years, commonly between ages three and five. A three year old who is still working on it is well within the typical range.

The Centers for Disease Control and Prevention publishes broader milestones for speech and understanding that help put a single sound in context. A useful rule of thumb is that most people outside the family should understand a child fairly well by age four. If CH is still unclear around age five, or if a child is hard to understand overall, that is a reasonable point to seek an evaluation rather than keep waiting.

How do you practice the CH sound step by step?

The most reliable path moves in a ladder, one rung at a time. Do not rush to words before the sound itself is solid.

Step 1: the sound alone. Sit beside a mirror. Model a slow, clear “ch” and let your child watch your lips round slightly and your teeth come close together. A helpful image is a train chugging or a sneeze that starts with “ch.” Keep it short and repeat it in a light, playful way.

Step 2: syllables. Once the sound is clean on its own, attach vowels. Try “cha, chee, choo, cho.” Then flip them so CH lands at the end: “ay-ch, ee-ch, oo-ch.” Ending sounds are often easier to feel because the mouth finishes on the burst.

Step 3: words. Move to short, common words at the start of the syllable: chip, chair, cheese, chew, chin. Then words with CH in the middle or end: teacher, kitchen, watch, beach, match.

Step 4: phrases and play. Build tiny phrases like “chew the cheese” or “watch the match,” then let the sound show up in games, snacks, and stories so it stops feeling like drilling.

What makes home practice actually stick?

Short and frequent wins over long and rare. Five focused minutes a day does more than a single tense half hour on the weekend. Praise good attempts, not only perfect ones, since progress with CH is gradual. Pair the sound with things your child already loves: chips at snack time, a favorite chugging train, a stuffed animal named something with CH in it.

Modeling matters more than correcting. Rather than saying “no, say it right,” repeat the word back the correct way in a natural sentence, so the child hears the target without feeling judged. The American Speech-Language-Hearing Association describes this kind of clear, patient modeling as central to how speech sounds develop.

Between practice bursts, some families lean on a little structure to keep momentum going. Voice-first, play-based tools such as littlewords.ai give a child low-pressure daily speaking practice at home through games rather than worksheets, which can complement the work of a speech-language pathologist. Home practice like this is a supplement to therapy, never a replacement for it, and it should stay light and encouraging rather than becoming a test.

When should CH practice move to a professional?

Home practice is a great starting point, but it has limits. Consider an evaluation with a speech-language pathologist if the CH sound is still unclear past age five, if people outside the family often cannot understand your child, if your child is getting frustrated or avoiding talking, or if several sounds seem hard at once. A professional can check whether the pattern is a simple delay or a speech sound disorder that needs targeted therapy, and can rule out hearing or oral-motor factors that home practice cannot address.

Reaching out early is not an overreaction. The downside of a check-in is small, and getting the right plan sooner tends to make practice shorter and less stressful for everyone.

Key takeaways

• CH is an affricate, a quick stop released into a hiss, which is why children often substitute T or SH.
• Most children produce CH clearly between ages three and five, with a wide normal range.
• Practice in a ladder: the sound alone, then syllables, then words, then phrases and play.
• Short daily sessions and gentle modeling work better than long correction sessions.
• Seek an evaluation if CH is unclear past age five or if your child is hard to understand.

Frequently asked questions

At what age should a child say the CH sound?

Most children produce CH clearly between ages three and five. A four year old still working on it is common. If it is not clear by around age five, an evaluation is reasonable.

Why does my child say T or SH instead of CH?

CH blends a stop and a hiss, so children often simplify it. Saying T drops the hiss, and saying SH drops the stop. Both are common steps toward the full sound.

How do you teach the CH sound at home?

Start with the sound alone, then move to syllables, words, and short phrases. Use a mirror, model slowly, keep sessions short and playful, and praise good tries.

How long does it take to learn the CH sound?

It varies widely. Some children pick it up in a few weeks, others need months or the help of a therapist. Short daily practice usually beats long occasional sessions.

When should I see a speech therapist about the CH sound?

Consider an evaluation if the sound is unclear past age five, if strangers struggle to understand your child, or if your child is frustrated by not being understood.

Sources

• American Speech-Language-Hearing Association: Speech Sound Disorders (asha.org)
• American Speech-Language-Hearing Association: Developmental Norms for Speech Sounds (McLeod and Crowe, 2018) (pubs.asha.org)
• American Speech-Language-Hearing Association: Speech and Language Developmental Milestones (asha.org)
• Centers for Disease Control and Prevention: Developmental Milestones (cdc.gov)
• American Academy of Pediatrics (HealthyChildren.org): Toddler Development (healthychildren.org)