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. 44 + 10 = ______
  3. 45 + 20 = ______
  4. 3 × 10 = ______
  5. 52 + 20 = ______
  6. 80 − 10 = ______
  7. 85 + 10 = ______
  8. 7 × 10 = ______
  9. 2 × 10 = ______
  10. 67 + 20 = ______
  11. 78 + 10 = ______
  12. 52 − 10 = ______
  13. 18 + 20 = ______
  14. 37 + 10 = ______
  15. 22 + 20 = ______
  16. 35 + 20 = ______
  17. 70 − 10 = ______
  18. 79 + 10 = ______
  19. 77 + 20 = ______
  20. 8 × 10 = ______
Matematica mentale Worksheet — Free Printable with Answer Key | WaffleMath