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Mental Math Worksheet

Recommended for 1st Grade — 5th Grade

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Mental Math Worksheet

Name: ____________________Date: ____________

Instructions: Using mental strategies like making ten, doubling, and compensation to compute quickly.

20 problems

  1. 53 − 10 = ______
  2. 49 + 10 = ______
  3. 81 + 10 = ______
  4. 22 − 10 = ______
  5. 80 − 10 = ______
  6. 25 + 20 = ______
  7. 42 − 10 = ______
  8. 1 × 10 = ______
  9. 36 + 20 = ______
  10. 76 + 20 = ______
  11. 38 + 10 = ______
  12. 68 − 10 = ______
  13. 26 + 20 = ______
  14. 35 + 10 = ______
  15. 84 + 20 = ______
  16. 42 + 10 = ______
  17. 4 × 10 = ______
  18. 9 × 10 = ______
  19. 32 + 20 = ______
  20. 15 + 20 = ______
Mental Math Worksheet — Free Printable with Answer Key | WaffleMath