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. 15 + 20 = ______
  2. 48 − 10 = ______
  3. 49 + 10 = ______
  4. 79 + 10 = ______
  5. 4 × 10 = ______
  6. 96 − 10 = ______
  7. 75 + 10 = ______
  8. 57 + 10 = ______
  9. 19 + 10 = ______
  10. 67 + 10 = ______
  11. 1 × 10 = ______
  12. 5 × 10 = ______
  13. 37 − 10 = ______
  14. 35 + 20 = ______
  15. 22 + 20 = ______
  16. 70 + 20 = ______
  17. 84 + 20 = ______
  18. 13 + 20 = ______
  19. 47 − 10 = ______
  20. 18 + 20 = ______
Mental Math Worksheet — Free Printable with Answer Key | WaffleMath