Prefix and Suffix Worksheets - Free Printable

Problem Overview:

The task involves using the prefixes un-, re-, and dis- to change the meaning of base words. The worksheet provides examples and instructions for completing sentences by selecting the appropriate prefix.

Solution Explanation:

#### Prefixes and Their Meanings:
1. Un-: This prefix means "not" or "opposite of." It is used to negate the meaning of a word.
- Example: Happy → Unhappy

2. Re-: This prefix means "again" or "back." It is used to indicate repetition or returning to a previous state.
- Example: Cycle → Recycle

3. Dis-: This prefix means "apart," "away," or "not." It is used to indicate separation or negation.
- Example: Like → Dislike

#### Task Instructions:
The worksheet asks you to:
1. Write the prefixes un-, re-, or dis- to change the meanings of given words.
2. Complete sentences by choosing the appropriate prefix.

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Step-by-Step Solution:

#### Part 1: Changing Word Meanings
For each word, choose the appropriate prefix to change its meaning:

1. able → unable (Prefix: un-)
- Meaning: Not able.

2. like → dislike (Prefix: dis-)
- Meaning: Opposite of like.

3. connect → disconnect (Prefix: dis-)
- Meaning: To separate or break the connection.

4. equal → unequal (Prefix: un-)
- Meaning: Not equal.

5. agree → disagree (Prefix: dis-)
- Meaning: To not agree or have a different opinion.

6. tell → retell (Prefix: re-)
- Meaning: To tell again.

7. run → rerun (Prefix: re-)
- Meaning: To run again.

8. lucky → unlucky (Prefix: un-)
- Meaning: Not lucky.

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#### Part 2: Completing Sentences
Choose the appropriate prefix to complete each sentence:

1. If you use something more than once, you can often...
- reuse it.
- Prefix: re-
- Explanation: Using something again implies repetition, so "re-" is appropriate.

2. The food got cold, so we have to...
- reheat it.
- Prefix: re-
- Explanation: Heating the food again requires the prefix "re-."

3. I need a key to...
- unlock the door.
- Prefix: un-
- Explanation: Unlocking means removing the lock, which is the opposite of locking, so "un-" is appropriate.

4. We need to...
- remodel our bathroom.
- Prefix: re-
- Explanation: Remodeling means changing or modifying something again, so "re-" is appropriate.

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Final Answers:

#### Part 1: Changing Word Meanings
1. unable
2. dislike
3. disconnect
4. unequal
5. disagree
6. retell
7. rerun
8. unlucky

#### Part 2: Completing Sentences
1. reuse
2. reheat
3. unlock
4. remodel

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Final Answer Box:

\[
\boxed{
\text{Part 1: unable, dislike, disconnect, unequal, disagree, retell, rerun, unlucky} \\
\text{Part 2: reuse, reheat, unlock, remodel}
}
\]