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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. 14 + 10 = ______
  2. 47 − 10 = ______
  3. 28 + 20 = ______
  4. 53 + 10 = ______
  5. 16 + 20 = ______
  6. 77 + 20 = ______
  7. 29 + 20 = ______
  8. 33 + 10 = ______
  9. 20 + 20 = ______
  10. 36 + 10 = ______
  11. 51 + 20 = ______
  12. 85 + 10 = ______
  13. 6 × 10 = ______
  14. 62 − 10 = ______
  15. 64 + 20 = ______
  16. 56 + 10 = ______
  17. 71 + 10 = ______
  18. 15 + 10 = ______
  19. 4 × 10 = ______
  20. 60 + 20 = ______
Mental Math Worksheet — Free Printable with Answer Key | WaffleMath