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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. 91 − 10 = ______
  2. 28 − 10 = ______
  3. 3 × 10 = ______
  4. 77 + 10 = ______
  5. 22 − 10 = ______
  6. 38 − 10 = ______
  7. 7 × 10 = ______
  8. 16 + 20 = ______
  9. 1 × 10 = ______
  10. 2 × 10 = ______
  11. 56 + 20 = ______
  12. 30 − 10 = ______
  13. 29 + 20 = ______
  14. 83 + 10 = ______
  15. 99 − 10 = ______
  16. 50 + 10 = ______
  17. 59 + 20 = ______
  18. 24 − 10 = ______
  19. 66 + 20 = ______
  20. 27 + 10 = ______