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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. 60 + 20 = ______
  2. 62 − 10 = ______
  3. 62 + 10 = ______
  4. 95 − 10 = ______
  5. 30 + 20 = ______
  6. 52 + 20 = ______
  7. 31 + 20 = ______
  8. 49 − 10 = ______
  9. 70 − 10 = ______
  10. 2 × 10 = ______
  11. 81 + 20 = ______
  12. 85 + 10 = ______
  13. 90 − 10 = ______
  14. 64 + 20 = ______
  15. 82 + 20 = ______
  16. 3 × 10 = ______
  17. 94 − 10 = ______
  18. 35 − 10 = ______
  19. 7 × 10 = ______
  20. 67 + 20 = ______
Mental Math Worksheet — Free Printable with Answer Key | WaffleMath