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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. 73 + 20 = ______
  2. 7 × 10 = ______
  3. 47 + 10 = ______
  4. 2 × 10 = ______
  5. 8 × 10 = ______
  6. 90 − 10 = ______
  7. 76 + 10 = ______
  8. 3 × 10 = ______
  9. 60 + 20 = ______
  10. 67 + 20 = ______
  11. 85 + 20 = ______
  12. 78 + 20 = ______
  13. 11 + 10 = ______
  14. 17 + 10 = ______
  15. 56 + 10 = ______
  16. 28 + 10 = ______
  17. 43 + 10 = ______
  18. 38 + 20 = ______
  19. 14 + 10 = ______
  20. 99 − 10 = ______