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. 89 + 20 = ______
  2. 72 + 10 = ______
  3. 1 × 10 = ______
  4. 65 − 10 = ______
  5. 79 + 10 = ______
  6. 98 − 10 = ______
  7. 74 − 10 = ______
  8. 8 × 10 = ______
  9. 84 + 20 = ______
  10. 64 + 10 = ______
  11. 91 − 10 = ______
  12. 23 + 20 = ______
  13. 24 + 20 = ______
  14. 66 + 10 = ______
  15. 2 × 10 = ______
  16. 33 + 20 = ______
  17. 16 + 20 = ______
  18. 68 + 20 = ______
  19. 67 + 20 = ______
  20. 29 + 20 = ______
Matematica mentale Worksheet — Free Printable with Answer Key | WaffleMath