Diphthongs Worksheet (Grade 1)
Free printable diphthongs worksheet for Grade 1. Students fill in ou, ow, oi, and oy gliding vowel sounds in words like cloud and toy.
Grade 1 · Phonics worksheet
Name
Date
Phonics
Diphthongs
Some vowel pairs make a gliding sound (cloud, cow, coin, toy). Fill in the missing diphthong.
Word bank
oiouowoy
- 1.Fill in ou, ow, oi, or oy: m__th (mouth)
- a) ou
- b) ow
- c) oi
- d) oy
- 2.Fill in ou, ow, oi, or oy: c__n (coin)
- a) ou
- b) ow
- c) oi
- d) oy
- 3.Fill in ou, ow, oi, or oy: __l (owl)
- a) ou
- b) ow
- c) oi
- d) oy
- 4.Fill in ou, ow, oi, or oy: p__nt (point)
- a) ou
- b) ow
- c) oi
- d) oy
- 5.Fill in ou, ow, oi, or oy: r__nd (round)
- a) ou
- b) ow
- c) oi
- d) oy
- 6.Fill in ou, ow, oi, or oy: s__l (soil)
- a) ou
- b) ow
- c) oi
- d) oy
- 7.Fill in ou, ow, oi, or oy: t__ (toy)
- a) ou
- b) ow
- c) oi
- d) oy
- 8.Fill in ou, ow, oi, or oy: b__l (boil)
- a) ou
- b) ow
- c) oi
- d) oy
- 9.Fill in ou, ow, oi, or oy: c__ (cow)
- a) ou
- b) ow
- c) oi
- d) oy
- 10.Fill in ou, ow, oi, or oy: b__ (boy)
- a) ou
- b) ow
- c) oi
- d) oy
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