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. 3 × 10 = ______
  2. 5 × 10 = ______
  3. 56 − 10 = ______
  4. 72 + 10 = ______
  5. 14 + 10 = ______
  6. 84 + 10 = ______
  7. 63 − 10 = ______
  8. 47 + 20 = ______
  9. 81 − 10 = ______
  10. 89 + 10 = ______
  11. 8 × 10 = ______
  12. 52 + 10 = ______
  13. 30 + 20 = ______
  14. 90 − 10 = ______
  15. 11 + 10 = ______
  16. 80 − 10 = ______
  17. 76 + 10 = ______
  18. 6 × 10 = ______
  19. 80 + 10 = ______
  20. 74 + 10 = ______
Mental Math Worksheet — Free Printable with Answer Key | WaffleMath