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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. 76 + 20 = ______
  2. 75 + 20 = ______
  3. 6 × 10 = ______
  4. 50 + 10 = ______
  5. 22 + 20 = ______
  6. 89 + 20 = ______
  7. 39 − 10 = ______
  8. 5 × 10 = ______
  9. 56 + 10 = ______
  10. 2 × 10 = ______
  11. 81 − 10 = ______
  12. 28 + 10 = ______
  13. 64 − 10 = ______
  14. 66 − 10 = ______
  15. 86 + 10 = ______
  16. 12 + 20 = ______
  17. 76 − 10 = ______
  18. 72 + 20 = ______
  19. 36 + 20 = ______
  20. 54 + 10 = ______
Mental Math Worksheet — Free Printable with Answer Key | WaffleMath