PREFIX WORKSHEET Directions: Make new words combining the base word and one of the following prefixes. Each prefix is used twice. Prefixes: Anti; De; Dis; Im; Mis; Over; Non; Pre; Re; Un 1. _____ behave 11. _____ place 2. _____ sense 12. _____ code 3. _____ possible 13. _____ vent 4. _____ happy 14. _____ social 5. _____ fiction 15. _____ obey 6. _____ place 16. _____ act 7. _____ prove 17. _____ septic 8. _____ chief 18. _____ age 9. _____ healthy 19. _____ pend _____ move 20. _____ serve 10. PREFIX WORKSHEET ANSWERS 1. Misbehave 11. Displace 2. Nonsense 12. Decode 3. Impossible 13. Prevent 4. Unhappy 14. Antisocial 5. Nonfiction 15. Disobey 6. Replace 16. Overact 7. Improve 17. Antiseptic 8. Mischief 18. Overage 9. Unhealthy 19. Depend Remove 20. Preserve 10.