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. 5 × 10 = ______
  2. 73 + 10 = ______
  3. 45 − 10 = ______
  4. 85 − 10 = ______
  5. 3 × 10 = ______
  6. 9 × 10 = ______
  7. 8 × 10 = ______
  8. 56 + 10 = ______
  9. 70 + 10 = ______
  10. 16 + 10 = ______
  11. 83 − 10 = ______
  12. 57 + 20 = ______
  13. 37 + 20 = ______
  14. 2 × 10 = ______
  15. 75 − 10 = ______
  16. 98 − 10 = ______
  17. 78 + 10 = ______
  18. 1 × 10 = ______
  19. 51 + 20 = ______
  20. 63 − 10 = ______
Mental Math Worksheet — Free Printable with Answer Key | WaffleMath