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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 + 20 = ______
  2. 3 × 10 = ______
  3. 25 + 10 = ______
  4. 47 − 10 = ______
  5. 48 − 10 = ______
  6. 87 + 10 = ______
  7. 1 × 10 = ______
  8. 7 × 10 = ______
  9. 41 + 10 = ______
  10. 61 − 10 = ______
  11. 88 + 20 = ______
  12. 75 − 10 = ______
  13. 89 − 10 = ______
  14. 86 + 20 = ______
  15. 67 + 10 = ______
  16. 53 + 20 = ______
  17. 37 − 10 = ______
  18. 70 − 10 = ______
  19. 27 + 20 = ______
  20. 12 + 10 = ______
Mental Math Worksheet — Free Printable with Answer Key | WaffleMath