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Prefixes & Suffixes

Grade 3 · Stretch challenge · 8 questions · Version PG-SITVKM-XPXO

1.

What does the affix semi- mean in “semicircle”?

2.

What does the affix -able mean in “predictable”?

3.

What does the affix de- mean in “decomposition”?

4.

What does the affix mis- mean in “misplace”?

5.

What does the affix inter- mean in “interstate”?

6.

What does the affix multi- mean in “multicultural”?

7.

What does the affix trans- mean in “transport”?

8.

What does the affix anti- mean in “antibiotic”?

Answers and teaching notes

Use the answers to check the work after the learner finishes. For writing prompts, the guide describes what a strong response should include.

Show answers for version 4
  1. What does the affix semi- mean in “semicircle”?half a circle
  2. What does the affix -able mean in “predictable”?able to be predicted
  3. What does the affix de- mean in “decomposition”?the process of breaking down
  4. What does the affix mis- mean in “misplace”?place incorrectly
  5. What does the affix inter- mean in “interstate”?between states
  6. What does the affix multi- mean in “multicultural”?involving many cultures
  7. What does the affix trans- mean in “transport”?carry across
  8. What does the affix anti- mean in “antibiotic”?against biological infection

Worked example

Separate the affix from the base, then combine their meanings.

Common mistake

Removing letters that are part of the base word.

Helpful hint

Check that the remaining base is a meaningful word or root.