Trigraphs worksheet for students to identify words with three-letter sounds.

Let's solve this Trigraphs worksheet step by step.

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🔹 What is a Trigraph?

A trigraph is a group of three letters that together make one sound (a single phoneme). For example:
- "tch" in "catch" makes the /tʃ/ sound.
- "igh" in "high" makes the /aɪ/ sound.
- "ough" in "cough" makes the /ɔːf/ sound (though it varies).

We need to circle the words that contain such a three-letter combination making one sound.

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🔹 Let’s go through each word:

1. itch → tch = /tʃ/ ✔ (trigraph)
2. chips → ch = /tʃ/, but only two letters ✘
3. think → ink = /ɪŋk/, but "ink" is not a trigraph; "th" is a digraph, not trigraph ✘
4. edge → dge = /dʒ/ ✔ (trigraph: dge = /dʒ/)
5. scrape → r and p, no clear trigraph ✘
6. screen → een = /iːn/, but "een" isn't a trigraph; "ee" is a digraph ✘
7. knot → not has no trigraph ✘
8. batch → tch = /tʃ/ ✔
9. shear → ear = /ɪər/, but "ear" is a digraph or vowel team, not typically a trigraph ✘
10. grapes → pes = /ps/, but no trigraph ✘
11. sure → ure = /ʊər/, but "ure" is a common vowel pattern, not a trigraph ✘
12. phobia → pho = /foʊ/, but "ph" is a digraph, not trigraph ✘
13. high → igh = /aɪ/ ✔ (classic trigraph!)
14. clot → lot = no trigraph ✘
15. cough → ough = /ʌf/ ✔ (yes! "ough" is a trigraph)
16. ought → ough = /aʊt/ ✔ (another "ough" trigraph)
17. spoil → oil = /oɪl/, but "oil" is a vowel team, not trigraph ✘
18. scratch → tch = /tʃ/ ✔
19. seep → eep = /iːp/, but "eep" is not a trigraph ✘
20. throb → rob = no trigraph ✘
21. sphere → ere = /ɪər/, not a trigraph ✘
22. shred → red = /rɛd/, no trigraph ✘
23. crab → ab = /æb/, no trigraph ✘
24. spill → ill = /ɪl/, but "ill" is a common ending, not a trigraph ✘

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✔ Words with Trigraphs:

Now let's list the ones that do have trigraphs:

1. itch – tch
2. edge – dge
3. batch – tch
4. high – igh
5. cough – ough
6. ought – ough
7. scratch – tch

> Note: "dge" (as in *edge*) is considered a trigraph because it makes the /dʒ/ sound (like "j"), even though it includes a silent 'e'.
> "ough" is a famous trigraph, though it has multiple pronunciations — here it's used in *cough* and *ought*.

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✔ Final Answer: Circle these words:

- itch
- edge
- batch
- high
- cough
- ought
- scratch

These are the words containing trigraphs.

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📝 Summary:

| Word | Trigraph | Sound |
|----------|---------|-------|
| itch | tch | /tʃ/ |
| edge | dge | /dʒ/ |
| batch | tch | /tʃ/ |
| high | igh | /aɪ/ |
| cough | ough | /ʌf/ |
| ought | ough | /aʊt/ |
| scratch | tch | /tʃ/ |

✔ These are the correct answers to circle.

Let me know if you'd like a printable version or explanation for kids!