Diphthongs oi oy

Front

What is a diphthong?

Back

A diphthong is a complex vowel sound that begins with one vowel sound and glides into another within the same syllable.

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CCSS.RF.2.3E

CCSS.RF.4.3A

CCSS.L.1.2D

CCSS.RF.K.3D

CCSS.RF.5.3A

Front

What sound does 'oi' make?

Back

The 'oi' diphthong makes the sound like in 'boil' or 'coin'.

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CCSS.RF.2.3A

CCSS.RF.2.3B

CCSS.L.1.2E

CCSS.RF.1.3C

CCSS.L.K.2D

Front

What sound does 'oy' make?

Back

The 'oy' diphthong makes the sound like in 'toy' or 'boy'.

Front

Give an example of a word with 'oi'.

Back

An example of a word with 'oi' is 'oil'.

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CCSS.L.1.5A

CCSS.L.1.5B

CCSS.L.K.5A

Front

Give an example of a word with 'oy'.

Back

An example of a word with 'oy' is 'joy'.

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CCSS.L.1.5A

CCSS.L.1.5B

CCSS.L.K.5A

Front

Is 'oi' found at the beginning, middle, or end of a word?

Back

'Oi' is usually found in the middle or at the end of a word.

Tags

CCSS.L.1.5B

CCSS.L.1.5A

CCSS.L.K.5A

Front

Is 'oy' found at the beginning, middle, or end of a word?

Back

'Oy' is usually found at the end of a word.

Tags

CCSS.L.1.5A

CCSS.L.1.5B

CCSS.L.K.5A

Front

What is the difference between 'oi' and 'oy'?

Back

'Oi' is often used in the middle of words, while 'oy' is typically found at the end.

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CCSS.L.1.5A

CCSS.L.1.5B

CCSS.L.K.5A

Front

Can you name a word that has both 'oi' and 'oy'?

Back

A word that has both is 'destroy'.

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CCSS.L.3.2F

Front

What is a common mistake when spelling words with 'oi' and 'oy'?

Back

A common mistake is confusing 'oi' with 'oy' in words like 'boil' and 'boy'.

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CCSS.RF.2.3A

CCSS.RF.2.3B

CCSS.L.1.2E

CCSS.RF.1.3C

CCSS.L.K.2D