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. 14 + 10 = ______
  3. 3 × 10 = ______
  4. 26 − 10 = ______
  5. 72 − 10 = ______
  6. 77 + 20 = ______
  7. 40 + 20 = ______
  8. 35 + 10 = ______
  9. 2 × 10 = ______
  10. 79 + 20 = ______
  11. 8 × 10 = ______
  12. 57 − 10 = ______
  13. 16 + 20 = ______
  14. 62 − 10 = ______
  15. 34 − 10 = ______
  16. 32 − 10 = ______
  17. 87 + 20 = ______
  18. 1 × 10 = ______
  19. 18 + 20 = ______
  20. 32 + 20 = ______
Mental Math Worksheet — Free Printable with Answer Key | WaffleMath