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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. 70 + 20 = ______
  2. 52 − 10 = ______
  3. 21 + 10 = ______
  4. 67 − 10 = ______
  5. 71 + 10 = ______
  6. 96 − 10 = ______
  7. 37 − 10 = ______
  8. 41 − 10 = ______
  9. 2 × 10 = ______
  10. 28 + 20 = ______
  11. 7 × 10 = ______
  12. 46 − 10 = ______
  13. 54 + 10 = ______
  14. 58 + 20 = ______
  15. 89 + 10 = ______
  16. 66 + 20 = ______
  17. 3 × 10 = ______
  18. 78 − 10 = ______
  19. 46 + 10 = ______
  20. 41 + 20 = ______
Mental Math Worksheet — Free Printable with Answer Key | WaffleMath