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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. 28 − 10 = ______
  2. 31 − 10 = ______
  3. 54 − 10 = ______
  4. 45 − 10 = ______
  5. 61 + 20 = ______
  6. 9 × 10 = ______
  7. 67 + 10 = ______
  8. 72 − 10 = ______
  9. 4 × 10 = ______
  10. 60 + 20 = ______
  11. 59 − 10 = ______
  12. 22 + 10 = ______
  13. 23 + 20 = ______
  14. 68 − 10 = ______
  15. 46 − 10 = ______
  16. 45 + 10 = ______
  17. 24 + 10 = ______
  18. 28 + 20 = ______
  19. 76 + 20 = ______
  20. 84 + 20 = ______
Mental Math Worksheet — Free Printable with Answer Key | WaffleMath