Doubling the consonant before adding a suffix.

Add the suffix -ing to the word slap.

• slaped

• slapped

Answer explanation

Double the final consonant if the word ends with a consonant after a vowel in a one syllable word.

Tags

CCSS.L.3.1D

CCSS.L.3.1E

Add the suffix -ed to the word tip.

• tiped

• tipped

Answer explanation

Double the final consonant if a one syllable word ends with a consonant following a vowel.

Tags

CCSS.L.3.1D

CCSS.L.3.1E

Add the suffix -ing to the word refer.

• referring

• refering

Answer explanation

Double the final consonant if the last syllable is accented and the accent stays there after the suffix is added.

Tags

CCSS.L.2.4B

CCSS.L.3.2E

Add -er to the word kind.

• kinder

• kindder

Answer explanation

Double the final consonant in a one syllable word, if the final consonant follows a vowel.

The d is not doubled because it does not follow a vowel. It follows another consonant.

Add the suffix -ing to the word send.

• sendding

• sending

Answer explanation

Double the final consonant if the final consonant follows a vowel.

The d is not doubled because it does not follow a vowel. It follows another consonant.

Tags

CCSS.L.2.4B

CCSS.L.3.2E

Add the suffix -ful to the word hurt.

• hurttful

• hurtful

Answer explanation

Double the final consonant in a one syllable word if the consonant follows a vowel.

The t is not doubled because it does not follow a vowel. It follows another consonant.

Add the suffix -ing to the word deter.

• deterring

• detering

Answer explanation

Double the final consonant if the last syllable of the word is accented and the accent stays there after the suffix is added.

Tags

CCSS.L.2.4B

CCSS.L.3.2E

Add the suffix -ing to the word motor.

• motorring

• motoring

Answer explanation

Do not double the final consonant if the accent is not on the last syllable.

Tags

CCSS.L.2.4B

CCSS.L.3.2E

Add the suffix -er to the word rip.

• riper

• ripper

Tags

CCSS.L.2.4B

CCSS.L.2.4C

CCSS.L.3.2E

Add -ed to the word poke.

• poked

• pokked

Answer explanation

Double the final consonant if a one syllable word ends with a consonant following a vowel.

Poke does not end with a consonant. It ends with a vowel, so the k is not doubled.

Tags

CCSS.L.3.1D

CCSS.L.3.1E