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. 33 + 10 = ______
  2. 23 + 10 = ______
  3. 65 + 10 = ______
  4. 9 × 10 = ______
  5. 67 + 20 = ______
  6. 68 + 20 = ______
  7. 3 × 10 = ______
  8. 8 × 10 = ______
  9. 68 − 10 = ______
  10. 51 + 20 = ______
  11. 6 × 10 = ______
  12. 42 + 20 = ______
  13. 66 + 20 = ______
  14. 16 + 20 = ______
  15. 45 − 10 = ______
  16. 52 + 20 = ______
  17. 26 + 10 = ______
  18. 87 − 10 = ______
  19. 90 − 10 = ______
  20. 82 + 10 = ______
Mental Math Worksheet — Free Printable with Answer Key | WaffleMath