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. 80 + 20 = ______
  3. 98 − 10 = ______
  4. 28 − 10 = ______
  5. 33 − 10 = ______
  6. 8 × 10 = ______
  7. 47 + 10 = ______
  8. 82 + 20 = ______
  9. 18 + 10 = ______
  10. 19 + 10 = ______
  11. 50 − 10 = ______
  12. 88 + 10 = ______
  13. 33 + 20 = ______
  14. 58 + 10 = ______
  15. 80 + 10 = ______
  16. 9 × 10 = ______
  17. 42 + 20 = ______
  18. 79 − 10 = ______
  19. 79 + 20 = ______
  20. 50 + 10 = ______
Matematica mentale Worksheet — Free Printable with Answer Key | WaffleMath