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. 31 + 20 = ______
  2. 71 + 20 = ______
  3. 1 × 10 = ______
  4. 82 + 10 = ______
  5. 80 + 20 = ______
  6. 48 + 10 = ______
  7. 38 − 10 = ______
  8. 80 − 10 = ______
  9. 81 + 10 = ______
  10. 82 + 20 = ______
  11. 96 − 10 = ______
  12. 13 + 20 = ______
  13. 7 × 10 = ______
  14. 43 + 20 = ______
  15. 8 × 10 = ______
  16. 21 − 10 = ______
  17. 85 − 10 = ______
  18. 29 − 10 = ______
  19. 57 − 10 = ______
  20. 70 − 10 = ______
Matematica mentale Worksheet — Free Printable with Answer Key | WaffleMath