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. 78 + 20 = ______
  2. 27 + 20 = ______
  3. 79 + 20 = ______
  4. 96 − 10 = ______
  5. 57 + 20 = ______
  6. 2 × 10 = ______
  7. 78 + 10 = ______
  8. 59 + 10 = ______
  9. 14 + 20 = ______
  10. 11 + 20 = ______
  11. 11 + 10 = ______
  12. 63 + 20 = ______
  13. 85 + 10 = ______
  14. 37 + 10 = ______
  15. 61 − 10 = ______
  16. 67 − 10 = ______
  17. 21 + 10 = ______
  18. 85 + 20 = ______
  19. 99 − 10 = ______
  20. 28 − 10 = ______
Matematica mentale Worksheet — Free Printable with Answer Key | WaffleMath