Use Frequently Occurring Affixes to Determine Word Meanings: CCSS.ELA-LITERACY.L.1.4.B

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1st Grade Reading › Use Frequently Occurring Affixes to Determine Word Meanings: CCSS.ELA-LITERACY.L.1.4.B

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What does "unlocked" mean in the sentence below?

The door was unlocked.

Not locked

Locked

Relocked

Prelocked

The word "unlocked" has a prefix. A prefix is added to the beginning of a word to make a new word.

"Un" means not.

"Unlock" means not locked.

What does "prewash" mean in the sentence below?

The store will prewash the shirt before they sell them.

washed before

not washed

washed again

unwashed

The word "prewash" has a prefix. A prefix is added to the beginning of a word to make a new word.

"Pre" means before.

"Prewash" means washed before.