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. 18 + 20 = ______
  2. 4 × 10 = ______
  3. 65 + 10 = ______
  4. 51 + 10 = ______
  5. 12 + 10 = ______
  6. 81 + 20 = ______
  7. 8 × 10 = ______
  8. 6 × 10 = ______
  9. 78 + 10 = ______
  10. 55 − 10 = ______
  11. 70 + 20 = ______
  12. 3 × 10 = ______
  13. 97 − 10 = ______
  14. 9 × 10 = ______
  15. 17 + 20 = ______
  16. 46 − 10 = ______
  17. 26 + 10 = ______
  18. 11 + 10 = ______
  19. 64 + 20 = ______
  20. 47 + 10 = ______
Matematica mentale Worksheet — Free Printable with Answer Key | WaffleMath