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. 2 × 10 = ______
  2. 5 × 10 = ______
  3. 80 + 10 = ______
  4. 28 + 20 = ______
  5. 18 + 10 = ______
  6. 46 + 10 = ______
  7. 97 − 10 = ______
  8. 87 + 20 = ______
  9. 39 + 10 = ______
  10. 23 + 20 = ______
  11. 83 + 10 = ______
  12. 32 + 20 = ______
  13. 95 − 10 = ______
  14. 59 + 10 = ______
  15. 68 − 10 = ______
  16. 88 + 20 = ______
  17. 40 + 10 = ______
  18. 99 − 10 = ______
  19. 7 × 10 = ______
  20. 66 + 20 = ______
Matematica mentale Worksheet — Free Printable with Answer Key | WaffleMath