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. 21 + 20 = ______
  2. 1 × 10 = ______
  3. 59 + 10 = ______
  4. 83 − 10 = ______
  5. 85 + 10 = ______
  6. 89 − 10 = ______
  7. 39 − 10 = ______
  8. 7 × 10 = ______
  9. 82 + 20 = ______
  10. 4 × 10 = ______
  11. 97 − 10 = ______
  12. 46 + 20 = ______
  13. 5 × 10 = ______
  14. 62 − 10 = ______
  15. 3 × 10 = ______
  16. 58 + 20 = ______
  17. 57 + 20 = ______
  18. 87 − 10 = ______
  19. 90 − 10 = ______
  20. 81 + 10 = ______
Matematica mentale Worksheet — Free Printable with Answer Key | WaffleMath