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Matematica mentale Worksheet

Recommended for 1° grado — 5° grado

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Matematica mentale Worksheet

Nome: ____________________Date: ____________

Instructions: Usare strategie mentali come fare dieci, raddoppiare e compensare per calcolare rapidamente.

20 problems

  1. 19 + 20 = ______
  2. 89 − 10 = ______
  3. 74 − 10 = ______
  4. 8 × 10 = ______
  5. 25 − 10 = ______
  6. 45 + 10 = ______
  7. 9 × 10 = ______
  8. 75 + 20 = ______
  9. 77 + 10 = ______
  10. 22 + 20 = ______
  11. 5 × 10 = ______
  12. 14 + 10 = ______
  13. 16 + 20 = ______
  14. 78 + 20 = ______
  15. 4 × 10 = ______
  16. 53 − 10 = ______
  17. 39 + 20 = ______
  18. 28 − 10 = ______
  19. 80 + 20 = ______
  20. 39 − 10 = ______