Practice - Macmillan/McGraw-Hill

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Name
A prefix is an affix added to the front of a base or root word. By
adding a prefix, you change the meaning of the word.
In- means “without; not.”
Dis- means “opposite or lack of; not.”
Mis- means “bad or wrong.”
Pre- means “before.”
Add in-, dis-, mis-, or pre- to each of the words in the sentences
below. Use context clues to help you decide which prefix to use.
Practice
Phonics:
Prefixes: in-,
dis-, mis-, pre-
1. My teacher approves of talking in class because it disturbs
the other students.
2. A lumpy mattress can cause comfort for your back.
3. You may need to wash new clothes before you wear them.
4. The outfi elder judged the fl y ball and did not make the catch.
5. You should not judge food before you try it because you
might actually like it.
6. My father heats the oven before he puts the food in.
7. Rivals often trust each other because they think the other
person is trying to trick them.
8. The cheap toys were expensive, so Mom agreed to buy them.
9. I understood my teacher and wrote the wrong spelling word.
10. It is honest to cheat on a test.
At Home: Write a sentence using the word misjudge. Write
a second sentence using the word prejudge. Explain the
difference.
A Historic Journey • Grade 5/Unit 5
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