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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. 15 + 20 = ______
  2. 9 × 10 = ______
  3. 5 × 10 = ______
  4. 7 × 10 = ______
  5. 52 + 20 = ______
  6. 48 + 10 = ______
  7. 39 + 20 = ______
  8. 88 + 10 = ______
  9. 2 × 10 = ______
  10. 30 − 10 = ______
  11. 50 + 10 = ______
  12. 51 + 20 = ______
  13. 16 + 10 = ______
  14. 44 + 10 = ______
  15. 48 − 10 = ______
  16. 54 + 10 = ______
  17. 72 + 10 = ______
  18. 86 + 20 = ______
  19. 12 + 20 = ______
  20. 28 + 20 = ______
Matematica mentale Worksheet — Free Printable with Answer Key | WaffleMath