Diphthongs oi and oy worksheets
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Oi and oy make the same gliding sound, as in coin and boy. Oi usually works inside the word; oy usually takes the end of a word or comes before another vowel (royal).
Two grades, each its own sheet. Print one here, or open a grade for examples and teaching notes.
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1st grade Core grade
Each print is a different sheet with its own answer key. You don't need to sign up.
Oi and oy spell the gliding vowel sound in coin and boy. First graders sort by position and absorb the pattern: oi usually inside the word, oy usually at the end.
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2nd grade
Second graders apply the pattern in longer words (poison, destroy, royal), where oy can also end a syllable inside a word, and use the position rule when spelling.
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