English (ELA)FreePrintable
Prefix Word Builders
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Prefix Word Builders
A word-building workshop needs your help! A prefix is a group of letters added to the beginning of a word to change its meaning. Read each task, build words, and explain what they mean.
Decode the Prefixes
Use the prefix clues to unlock each word.
1.A word builder adds re- to read. What does re- usually mean, and what does reread mean?
2.Choose the word in which un- means “not”: unlock, unsafe, uncover.
- unlock
- unsafe
- uncover
3.Match each prefix to its usual meaning.
- pre-
- mis-
- dis-
- re-
- un-
- wrongly or badly
- not or the opposite of
- again
- before
- not
4.Add pre- to heat to make a word meaning “heat beforehand.” Write the word and explain its meaning.
5.The instructions said to put the game pieces in the box, but Andre put them in the drawer. Which word best describes Andre’s action: misplace, replace, or preview?
- misplace
- replace
- preview
Build, Check, and Create
Use the prefixes to make real words. Check that each new word fits the clue.
6.Add a prefix to agree to make a word meaning “to have a different opinion.” Write the word and identify its prefix and root.
7.Add re- to write. Then use the new word to complete the sentence: “I made a mistake, so I had to the sentence.”
8.True or false? In preview, the prefix pre- means “before,” so preview can mean to view something beforehand.
TrueFalse
9.A word builder has the root pack and the prefix un-. Write the word, separate it into prefix + root, and explain what it means.
10.Choose a word made with mis- and use it in a sentence that makes its meaning clear. You may use misread, misplace, or misunderstand.
2 printable pages
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