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. 27 + 20 = ______
  2. 30 − 10 = ______
  3. 84 + 20 = ______
  4. 56 + 10 = ______
  5. 32 − 10 = ______
  6. 69 + 20 = ______
  7. 76 + 20 = ______
  8. 48 + 20 = ______
  9. 89 + 20 = ______
  10. 9 × 10 = ______
  11. 46 + 20 = ______
  12. 24 + 10 = ______
  13. 73 + 20 = ______
  14. 2 × 10 = ______
  15. 47 − 10 = ______
  16. 5 × 10 = ______
  17. 77 − 10 = ______
  18. 52 − 10 = ______
  19. 55 − 10 = ______
  20. 66 + 20 = ______
Mental Math Worksheet — Free Printable with Answer Key | WaffleMath