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. 86 + 20 = ______
  2. 6 × 10 = ______
  3. 85 + 20 = ______
  4. 46 − 10 = ______
  5. 9 × 10 = ______
  6. 47 + 10 = ______
  7. 64 − 10 = ______
  8. 86 − 10 = ______
  9. 25 + 10 = ______
  10. 82 − 10 = ______
  11. 49 + 10 = ______
  12. 31 + 20 = ______
  13. 88 − 10 = ______
  14. 5 × 10 = ______
  15. 8 × 10 = ______
  16. 12 + 10 = ______
  17. 85 − 10 = ______
  18. 4 × 10 = ______
  19. 26 + 20 = ______
  20. 13 + 10 = ______
Mental Math Worksheet — Free Printable with Answer Key | WaffleMath