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Root Words worksheet for students to practice understanding word meanings and prefixes.

Find the Root Word Worksheet for 1st grade

Educational worksheet: Find the Root Word Worksheet for 1st grade. Download and print for classroom or home learning activities.

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Show Answer Key & Explanations Step-by-step solution for: Find the Root Word Worksheet for 1st grade
Let’s go step by step to fill in the table.

We are looking at root words and how adding prefixes or suffixes changes their meaning.

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First Table: Prefixes (un-, pre-, re-, dis-, im-)

1. happy → unhappy
- “Happy” means feeling good, joyful.
- Adding “un-” means “not,” so “unhappy” = not happy.

2. heat → preheat
- “Heat” means to make something warm.
- “Pre-” means “before,” so “preheat” = heat before using (like an oven).

3. write → rewrite
- “Write” means to put words on paper or screen.
- “Re-” means “again,” so “rewrite” = write again.

4. like → dislike
- “Like” means to enjoy or agree with something.
- “Dis-” means “not” or “opposite,” so “dislike” = do not like.

5. polite → impolite
- “Polite” means being kind and respectful.
- “Im-” (a form of “in-”) means “not,” so “impolite” = not polite.

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Second Table: Suffixes (-al, -able, -eer, -ily, -ion)

1. addition → additional
- “Addition” means adding something extra.
- “-al” turns it into an adjective: “additional” = extra or added.

2. comfort → comfortable
- “Comfort” means ease or relief from pain.
- “-able” means “can be,” so “comfortable” = can be comforted; feels good.

3. mountain → mountaineer
- “Mountain” is a big hill.
- “-eer” means “someone who does,” so “mountaineer” = someone who climbs mountains.

4. cheer → cheerily
- “Cheer” means happiness or encouragement.
- “-ily” makes it an adverb: “cheerily” = in a cheerful way.

5. impress → impression
- “Impress” means to make someone feel admiration.
- “-ion” makes it a noun: “impression” = the feeling or idea you leave in someone’s mind.

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Final Answer:

First Table:

| root | meaning | new word | new meaning |
|---------|------------------------|------------|--------------------------|
| happy | feeling joyful | unhappy | not happy |
| heat | to make warm | preheat | heat before use |
| write | to put words down | rewrite | write again |
| like | to enjoy | dislike | do not like |
| polite | being respectful | impolite | not polite |

Second Table:

| root | meaning | new word | new meaning |
|-----------|---------------------------|--------------|----------------------------------|
| addition | act of adding | additional | extra |
| comfort | state of ease | comfortable | able to be comforted; cozy |
| mountain | large natural elevation | mountaineer | person who climbs mountains |
| cheer | happiness or support | cheerily | in a happy manner |
| impress | to cause admiration | impression | effect left on someone’s mind |
Parent Tip: Review the logic above to help your child master the concept of root word worksheets.
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