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. 21 + 20 = ______
  2. 45 + 20 = ______
  3. 61 − 10 = ______
  4. 11 + 20 = ______
  5. 68 − 10 = ______
  6. 90 − 10 = ______
  7. 23 + 10 = ______
  8. 41 + 10 = ______
  9. 92 − 10 = ______
  10. 49 − 10 = ______
  11. 36 + 20 = ______
  12. 82 − 10 = ______
  13. 40 + 10 = ______
  14. 48 + 20 = ______
  15. 63 + 10 = ______
  16. 9 × 10 = ______
  17. 87 − 10 = ______
  18. 16 + 20 = ______
  19. 85 + 20 = ______
  20. 79 − 10 = ______
Matematica mentale Worksheet — Free Printable with Answer Key | WaffleMath