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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. 4 × 10 = ______
  2. 71 + 20 = ______
  3. 36 + 10 = ______
  4. 6 × 10 = ______
  5. 84 − 10 = ______
  6. 66 + 10 = ______
  7. 82 + 10 = ______
  8. 67 − 10 = ______
  9. 16 + 10 = ______
  10. 32 − 10 = ______
  11. 7 × 10 = ______
  12. 82 − 10 = ______
  13. 87 − 10 = ______
  14. 39 + 20 = ______
  15. 47 − 10 = ______
  16. 20 + 10 = ______
  17. 70 + 10 = ______
  18. 48 + 20 = ______
  19. 57 + 20 = ______
  20. 50 + 10 = ______
Mental Math Worksheet — Free Printable with Answer Key | WaffleMath