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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. 55 − 10 = ______
  2. 56 + 20 = ______
  3. 94 − 10 = ______
  4. 85 + 10 = ______
  5. 64 + 10 = ______
  6. 15 + 20 = ______
  7. 17 + 20 = ______
  8. 51 − 10 = ______
  9. 24 − 10 = ______
  10. 79 + 10 = ______
  11. 51 + 20 = ______
  12. 7 × 10 = ______
  13. 6 × 10 = ______
  14. 44 + 20 = ______
  15. 26 + 20 = ______
  16. 78 + 20 = ______
  17. 47 + 10 = ______
  18. 60 − 10 = ______
  19. 2 × 10 = ______
  20. 82 + 10 = ______
Mental Math Worksheet — Free Printable with Answer Key | WaffleMath