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. 27 + 20 = ______
  2. 5 × 10 = ______
  3. 81 − 10 = ______
  4. 57 + 10 = ______
  5. 92 − 10 = ______
  6. 80 − 10 = ______
  7. 24 + 20 = ______
  8. 40 + 20 = ______
  9. 83 − 10 = ______
  10. 39 + 10 = ______
  11. 6 × 10 = ______
  12. 9 × 10 = ______
  13. 49 − 10 = ______
  14. 15 + 10 = ______
  15. 21 − 10 = ______
  16. 67 + 10 = ______
  17. 50 − 10 = ______
  18. 75 − 10 = ______
  19. 3 × 10 = ______
  20. 11 + 10 = ______
Matematica mentale Worksheet — Free Printable with Answer Key | WaffleMath