Mental Math Worksheet

Recommended for 1st Grade — 5th Grade

New Worksheet

Mental Math Worksheet

Name: ____________________Date: ____________

Instructions: Using mental strategies like making ten, doubling, and compensation to compute quickly.

20 problems

  1. 43 − 10 = ______
  2. 9 × 10 = ______
  3. 53 − 10 = ______
  4. 69 + 10 = ______
  5. 71 + 10 = ______
  6. 52 − 10 = ______
  7. 39 + 20 = ______
  8. 92 − 10 = ______
  9. 56 − 10 = ______
  10. 15 + 10 = ______
  11. 77 + 10 = ______
  12. 86 − 10 = ______
  13. 85 + 20 = ______
  14. 16 + 20 = ______
  15. 6 × 10 = ______
  16. 7 × 10 = ______
  17. 79 − 10 = ______
  18. 31 + 20 = ______
  19. 51 + 10 = ______
  20. 49 − 10 = ______
Mental Math Worksheet — Free Printable with Answer Key | WaffleMath