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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. 7 × 10 = ______
  3. 5 × 10 = ______
  4. 1 × 10 = ______
  5. 33 − 10 = ______
  6. 62 − 10 = ______
  7. 39 − 10 = ______
  8. 27 + 20 = ______
  9. 6 × 10 = ______
  10. 61 − 10 = ______
  11. 87 + 20 = ______
  12. 38 + 10 = ______
  13. 41 − 10 = ______
  14. 9 × 10 = ______
  15. 86 + 20 = ______
  16. 64 + 20 = ______
  17. 66 + 10 = ______
  18. 3 × 10 = ______
  19. 17 + 20 = ______
  20. 14 + 20 = ______
Mental Math Worksheet — Free Printable with Answer Key | WaffleMath