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. 27 + 10 = ______
  2. 5 × 10 = ______
  3. 83 + 20 = ______
  4. 2 × 10 = ______
  5. 3 × 10 = ______
  6. 81 + 10 = ______
  7. 4 × 10 = ______
  8. 1 × 10 = ______
  9. 62 − 10 = ______
  10. 37 + 10 = ______
  11. 17 + 20 = ______
  12. 65 + 10 = ______
  13. 16 + 10 = ______
  14. 36 − 10 = ______
  15. 89 − 10 = ______
  16. 88 + 10 = ______
  17. 7 × 10 = ______
  18. 75 − 10 = ______
  19. 45 − 10 = ______
  20. 23 − 10 = ______
Mental Math Worksheet — Free Printable with Answer Key | WaffleMath