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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. 98 − 10 = ______
  2. 58 − 10 = ______
  3. 58 + 20 = ______
  4. 89 + 10 = ______
  5. 30 + 20 = ______
  6. 47 + 10 = ______
  7. 55 + 20 = ______
  8. 40 + 20 = ______
  9. 62 + 20 = ______
  10. 53 − 10 = ______
  11. 1 × 10 = ______
  12. 35 − 10 = ______
  13. 76 + 10 = ______
  14. 39 + 20 = ______
  15. 99 − 10 = ______
  16. 49 + 20 = ______
  17. 45 + 20 = ______
  18. 24 + 20 = ______
  19. 22 + 10 = ______
  20. 47 − 10 = ______
Mental Math Worksheet — Free Printable with Answer Key | WaffleMath