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. 33 + 10 = ______
  2. 84 − 10 = ______
  3. 1 × 10 = ______
  4. 42 + 20 = ______
  5. 83 − 10 = ______
  6. 68 − 10 = ______
  7. 82 + 10 = ______
  8. 52 + 20 = ______
  9. 18 + 20 = ______
  10. 39 + 10 = ______
  11. 28 + 20 = ______
  12. 57 + 10 = ______
  13. 63 + 20 = ______
  14. 34 + 10 = ______
  15. 36 + 10 = ______
  16. 23 + 10 = ______
  17. 9 × 10 = ______
  18. 87 + 20 = ______
  19. 57 + 20 = ______
  20. 81 − 10 = ______
Matematica mentale Worksheet — Free Printable with Answer Key | WaffleMath