This worksheet focuses on using prefixes to complete sentences. Prefixes are groups of letters added to the beginning of a word to change its meaning. Below, I will solve each problem by choosing the appropriate prefix and explaining the reasoning.
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1. Mom had to ______heat the oven to 350° to bake the cake.
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Prefix: pre-
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Completed Sentence: Mom had to
preheat the oven to 350° to bake the cake.
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Explanation: "Pre-" means "before." Preheating means heating something before using it.
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2. To help keep the Earth clean, we cycle all of or plastic.
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Prefix: re-
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Completed Sentence: To help keep the Earth clean, we recycle all of our plastic.
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Explanation: "Re-" means "again" or "back." Recycling means processing used materials to make new products.
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3. I looked over my writing and found a ______ spelled word.
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Prefix: mis-
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Completed Sentence: I looked over my writing and found a
misspelled word.
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Explanation: "Mis-" means "wrongly" or "incorrectly." Misspelled means a word that is spelled incorrectly.
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4. Before you take off your shoes, you need to ______ tie them.
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Prefix: un-
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Completed Sentence: Before you take off your shoes, you need to
untie them.
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Explanation: "Un-" means "reverse" or "undo." Untie means to loosen or undo a knot.
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5. You may be correct, but I ______ agree with you.
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Prefix: dis-
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Completed Sentence: You may be correct, but I
disagree with you.
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Explanation: "Dis-" means "not" or "opposite." Disagree means to have a different opinion.
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6. We checked the ______ cast before we planned the event.
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Prefix: pre-
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Completed Sentence: We checked the
precast before we planned the event.
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Explanation: "Pre-" means "before." Precast refers to something prepared or decided beforehand.
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7. The big, gray ______ marine plunged down into the water.
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Prefix: sub-
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Completed Sentence: The big, gray
submarine plunged down into the water.
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Explanation: "Sub-" means "under." A submarine is a vessel that can operate underwater.
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8. If you want to be ready for something, you need to ______ pare.
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Prefix: fore-
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Completed Sentence: If you want to be ready for something, you need to
foresee.
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Explanation: "Fore-" means "before." Foresee means to predict or anticipate something in advance.
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9. Make sure you ______ turn the library book on time!
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Prefix: re-
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Completed Sentence: Make sure you
return the library book on time!
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Explanation: "Re-" means "back." Return means to give back or bring back something.
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10. I try to be careful but sometimes I make a ______ take.
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Prefix: mis-
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Completed Sentence: I try to be careful but sometimes I make a
mistake.
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Explanation: "Mis-" means "wrongly" or "incorrectly." Mistake means an error or wrong action.
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Final Answers:
1. pre-
2. re-
3. mis-
4. un-
5. dis-
6. pre-
7. sub-
8. fore-
9. re-
10. mis-
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If you have any further questions, feel free to ask! 😊
Parent Tip: Review the logic above to help your child master the concept of prefix and suffix activities for 6th grade.
