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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. 57 + 10 = ______
  2. 44 − 10 = ______
  3. 81 − 10 = ______
  4. 20 + 20 = ______
  5. 24 − 10 = ______
  6. 24 + 10 = ______
  7. 2 × 10 = ______
  8. 67 + 20 = ______
  9. 16 + 20 = ______
  10. 94 − 10 = ______
  11. 84 + 10 = ______
  12. 19 + 20 = ______
  13. 61 + 10 = ______
  14. 16 + 10 = ______
  15. 49 + 20 = ______
  16. 27 − 10 = ______
  17. 13 + 10 = ______
  18. 12 + 20 = ______
  19. 54 + 20 = ______
  20. 47 − 10 = ______
Mental Math Worksheet — Free Printable with Answer Key | WaffleMath