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Diphthongs and complex vowels

Read and spell words containing diphthongs and complex vowel patterns (ow, ou, ew, ue, ie, aw, au) and words ending in -y as a vowel sound

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What a learner can do afterwards

  • Read words with variable vowel sounds (e.g. 'ow' in 'cow' vs 'snow')
  • Decode words with diphthongs (e.g. 'cloud', 'blue', 'pie')
  • Read words ending in -y pronounced as /ee/ or /igh/ (e.g. 'happy', 'my')

1 · Read

Some letter teams team up to make one new sound. Ow, ou, ew, ue, ie, aw, and au often do this.

owouewueaw
Say each pair of letters as one gliding sound.
Try it together

Ben reads the word 'cloud'. He blends the letters and hears one gliding /ow/ sound.

Watch out: ow can say two sounds. It says /ow/ in 'cow' but long o in 'snow'.

At the end of a word, y can be a vowel. It sounds like /ee/ in 'happy' or /igh/ in 'my'.

Diphthongs blend two letters into one sound, and a final y can say /ee/ or /igh/.

More to read

How to Teach Vowels: Complex Vowels

Some vowel sounds are tricky. They are called complex vowels. A diphthong is one of them. It is two vowel sounds sliding together into one sound. Say the word cow. Hear how the ow sound slides? That is a diphthong. Now say snow. The same two letters, o and w, make a different sound! Letters like ow, ou, ew, ue, ie, aw, and au can each make their own special sound. Try these words out loud: cloud, blue, pie, paw, and sauce. The letter y can act as a vowel too. At the end of happy it says /ee/, and in my it says /igh/. So when y sits at the end of a word, try a vowel sound first. A good trick is to pick one anchor word for each sound. An anchor word is a word you know really well. When you see those letters in a new word, think of your anchor word. It helps you remember the sound. Then try to read the new word. You can do it.

2 · Watch

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3 · Play

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You have met vowel teams before, like ai in rain. Today Ben is reading a book about a stormy day, and he stops at the word cloud.

What do the o and the u do in cloud?

cloud

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Print a worksheetA4 with an answer key page for grown-ups. No screen, no internet.

Where it sits

Learn first

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Then practise

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Diphthongs and complex vowels · English, ages 5 to 6 · LightMySky