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 + 20 = ______
  2. 49 + 20 = ______
  3. 23 + 20 = ______
  4. 28 + 10 = ______
  5. 76 + 10 = ______
  6. 3 × 10 = ______
  7. 8 × 10 = ______
  8. 9 × 10 = ______
  9. 70 − 10 = ______
  10. 33 − 10 = ______
  11. 7 × 10 = ______
  12. 54 + 20 = ______
  13. 39 + 20 = ______
  14. 48 + 10 = ______
  15. 80 + 10 = ______
  16. 59 − 10 = ______
  17. 73 + 10 = ______
  18. 67 − 10 = ______
  19. 54 + 10 = ______
  20. 69 − 10 = ______
Mental Math Worksheet — Free Printable with Answer Key | WaffleMath