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. 64 + 20 = ______
  2. 40 + 10 = ______
  3. 89 + 10 = ______
  4. 27 − 10 = ______
  5. 48 + 20 = ______
  6. 18 + 10 = ______
  7. 2 × 10 = ______
  8. 18 + 20 = ______
  9. 22 + 10 = ______
  10. 42 + 20 = ______
  11. 70 + 20 = ______
  12. 84 − 10 = ______
  13. 48 + 10 = ______
  14. 15 + 20 = ______
  15. 87 + 10 = ______
  16. 4 × 10 = ______
  17. 73 − 10 = ______
  18. 8 × 10 = ______
  19. 63 + 20 = ______
  20. 11 + 20 = ______
Matematica mentale Worksheet — Free Printable with Answer Key | WaffleMath