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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. 46 − 10 = ______
  2. 57 − 10 = ______
  3. 46 + 20 = ______
  4. 55 − 10 = ______
  5. 72 + 20 = ______
  6. 68 + 10 = ______
  7. 47 + 20 = ______
  8. 31 − 10 = ______
  9. 33 − 10 = ______
  10. 45 + 20 = ______
  11. 58 + 20 = ______
  12. 8 × 10 = ______
  13. 63 + 10 = ______
  14. 30 + 20 = ______
  15. 87 + 10 = ______
  16. 32 − 10 = ______
  17. 15 + 20 = ______
  18. 44 + 10 = ______
  19. 66 + 20 = ______
  20. 7 × 10 = ______
Mental Math Worksheet — Free Printable with Answer Key | WaffleMath