Prefix Fill in the Blank Worksheet - Free Printable

Problem Overview:

The task involves choosing the appropriate prefix from the given list to complete each word. The prefixes provided are: fore-, pre-, re-, un-, dis-, mis-, and sub-. Each prefix changes the meaning of the root word in a specific way.

Solution:

#### 1. Mom had to ______ heat the oven to 350° to bake the cake.
- Prefix: pre-
- Explanation: "Pre-" means "before." To heat the oven before baking is logical, so the correct word is "preheat."

#### 2. To help keep the Earth clean, we ______ cycle all of our plastic.
- Prefix: re-
- Explanation: "Re-" means "again" or "back." Recycling plastic means processing it again for reuse, so the correct word is "recycle."

#### 3. I looked over my writing and found a ______ spelled word.
- Prefix: mis-
- Explanation: "Mis-" means "wrongly" or "incorrectly." A misspelled word is one that is spelled incorrectly, so the correct word is "misspelled."

#### 4. Before you take off your shoes, you need to ______ tie them.
- Prefix: un-
- Explanation: "Un-" means "not" or "reverse." Untying shoes means loosening the knot, so the correct word is "untie."

#### 5. You may be correct, but I ______ agree with you.
- Prefix: dis-
- Explanation: "Dis-" means "apart" or "not." Disagreeing means not agreeing, so the correct word is "disagree."

#### 6. We checked the ______ cast before we planned the event.
- Prefix: fore-
- Explanation: "Fore-" means "before." Checking the forecast (weather prediction) before planning an event is logical, so the correct word is "forecast."

#### 7. The big, gray ______ marine plunged down into the water.
- Prefix: sub-
- Explanation: "Sub-" means "under." A submarine is a vessel that operates underwater, so the correct word is "submarine."

#### 8. If you want to be ready for something, you need to ______ pare.
- Prefix: pre-
- Explanation: "Pre-" means "before." Preparing means getting ready beforehand, so the correct word is "prepare."

#### 9. Make sure you ______ turn the library book on time!
- Prefix: re-
- Explanation: "Re-" means "again." Returning a book means giving it back, so the correct word is "return."

#### 10. I try to be careful but sometimes I make a ______ take.
- Prefix: mis-
- Explanation: "Mis-" means "wrongly" or "incorrectly." A mistake is an error, so the correct word is "mistake."

Final Answers:

1. pre-heat
2. re-cycle
3. mis-spelled
4. un-tie
5. dis-agree
6. fore-cast
7. sub-marine
8. pre-pare
9. re-turn
10. mis-take

Additional Task:

Choose a prefix and write a sentence using the prefix with a root word.

#### Example Sentence:
- Prefix: fore-
- Sentence: "We made forecasts about the weather to plan our outdoor activities."

Final Answer Box:

\boxed{
\begin{aligned}
1. & \text{ pre-heat} \\
2. & \text{ re-cycle} \\
3. & \text{ mis-spelled} \\
4. & \text{ un-tie} \\
5. & \text{ dis-agree} \\
6. & \text{ fore-cast} \\
7. & \text{ sub-marine} \\
8. & \text{ pre-pare} \\
9. & \text{ re-turn} \\
10. & \text{ mis-take} \\
\end{aligned}
}