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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. 61 + 20 = ______
  2. 56 + 20 = ______
  3. 1 × 10 = ______
  4. 3 × 10 = ______
  5. 79 + 10 = ______
  6. 61 − 10 = ______
  7. 11 + 20 = ______
  8. 67 + 10 = ______
  9. 8 × 10 = ______
  10. 14 + 20 = ______
  11. 44 − 10 = ______
  12. 59 + 20 = ______
  13. 30 + 10 = ______
  14. 6 × 10 = ______
  15. 54 + 20 = ______
  16. 58 − 10 = ______
  17. 7 × 10 = ______
  18. 51 − 10 = ______
  19. 21 + 20 = ______
  20. 9 × 10 = ______