Pin on Year 7 Literacy- Prefixes, Suffixes, Base & Origin words - Free Printable

Let's solve each sentence by adding the correct prefix or suffix to the word in brackets to make a new word that fits the context. We'll use the provided prefixes: DIS-, UN-, IM-, RE-, and suffixes: -ING, -ED, -ANCE, -FUL, -ABLE, -LY, -OUS, -ER.

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1. I can't answer this question. It's ............... (POSSIBLE).

→ "I can't answer" means it's not possible.
Use prefix IM- → IMPOSSIBLE
✔ Impossible

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2. Don't stand near the water. It's too ............... (DANGER).

We need an adjective meaning "dangerous".
Add suffix -OUS → DANGEROUS
✔ Dangerous

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3. I don't like this fish. It's not very well ............... (COOK).

We need a past participle to describe the state of the fish.
Add suffix -ED → COOKED
✔ Cooked

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4. Kate started crying because she was so ............... (HAPPY)

She is sad, so we need the opposite of happy.
Use prefix UN- → UNHAPPY
✔ Unhappy

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5. If you have a haircut it will change your ............... (APPEAR)

We need a noun form of "appear".
Add suffix -ANCE → APPEARANCE
✔ Appearance

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6. Paul never waits in queues. He is too ............... (PATIENT)

He doesn't wait → he lacks patience → use IM- for "not patient"
→ IMPATIENT
✔ Impatient

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7. Thank you for your advice. You have been very ............... (HELP)

Need an adjective meaning "helpful".
Add suffix -FUL → HELPFUL
✔ Helpful

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8. Stealing other people's money is ............... (HONEST)

Stealing is dishonest → use DIS- prefix → DISHONEST
✔ Dishonest

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9. Our science ............... is very young. (TEACH)

Need a noun for someone who teaches → add suffix -ER → TEACHER
✔ Teacher

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10. Harry didn't think the book was very ............... (INTEREST).

Need an adjective describing the book. Use -ING to make it describe the book itself → INTERESTING
But note: "Harry didn't think..." → negative opinion → NOT interesting
So the word is interesting, but with -ING
✔ Interesting

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11. A million pounds was given to the hospital by an ............... person (KNOWN)

The person is unknown → use UN- → UNKNOWN
✔ Unknown

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12. When you ............... this paragraph, make it a bit shorter (WRITE)

Need a verb meaning to shorten or rewrite → RE- + WRITE = REWRITE
✔ Rewrite

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13. Mary was wearing a/an ............... hat (USUAL)

"Unusual" means not usual → use UN- → UNUSUAL
✔ Unusual

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14. That was a great film. It was really ............... (ENJOY)

Need an adjective to describe the film → ENJOYABLE
Add suffix -ABLE → ENJOYABLE
✔ Enjoyable

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15. I like this town. The people are very ............... (FRIEND)

Need an adjective meaning friendly → add -LY → FRIENDLY
✔ Friendly

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16. I don't think you're right. I ............... with you completely (AGREE)

Opposite of agree → use DIS- → DISAGREE
✔ Disagree

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✔ Final Answers:

1. Impossible
2. Dangerous
3. Cooked
4. Unhappy
5. Appearance
6. Impatient
7. Helpful
8. Dishonest
9. Teacher
10. Interesting
11. Unknown
12. Rewrite
13. Unusual
14. Enjoyable
15. Friendly
16. Disagree

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Summary of Prefix/Suffix Used:

| Sentence | Word | Prefix/Suffix | New Word |
|--------|------|----------------|----------|
| 1 | POSSIBLE | IM- | Impossible |
| 2 | DANGER | -OUS | Dangerous |
| 3 | COOK | -ED | Cooked |
| 4 | HAPPY | UN- | Unhappy |
| 5 | APPEAR | -ANCE | Appearance |
| 6 | PATIENT | IM- | Impatient |
| 7 | HELP | -FUL | Helpful |
| 8 | HONEST | DIS- | Dishonest |
| 9 | TEACH | -ER | Teacher |
| 10 | INTEREST | -ING | Interesting |
| 11 | KNOWN | UN- | Unknown |
| 12 | WRITE | RE- | Rewrite |
| 13 | USUAL | UN- | Unusual |
| 14 | ENJOY | -ABLE | Enjoyable |
| 15 | FRIEND | -LY | Friendly |
| 16 | AGREE | DIS- | Disagree |

This exercise helps build vocabulary by understanding how prefixes and suffixes change the meaning and part of speech of words.