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. 56 − 10 = ______
  2. 6 × 10 = ______
  3. 8 × 10 = ______
  4. 9 × 10 = ______
  5. 15 + 20 = ______
  6. 59 + 20 = ______
  7. 23 + 20 = ______
  8. 55 − 10 = ______
  9. 87 + 10 = ______
  10. 63 + 20 = ______
  11. 48 + 20 = ______
  12. 79 − 10 = ______
  13. 7 × 10 = ______
  14. 4 × 10 = ______
  15. 28 − 10 = ______
  16. 49 + 10 = ______
  17. 78 + 20 = ______
  18. 35 − 10 = ______
  19. 44 − 10 = ______
  20. 77 + 20 = ______
Mental Math Worksheet — Free Printable with Answer Key | WaffleMath