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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. 8 × 10 = ______
  2. 4 × 10 = ______
  3. 79 − 10 = ______
  4. 76 − 10 = ______
  5. 20 + 20 = ______
  6. 50 + 10 = ______
  7. 56 + 20 = ______
  8. 71 + 20 = ______
  9. 95 − 10 = ______
  10. 2 × 10 = ______
  11. 99 − 10 = ______
  12. 30 + 20 = ______
  13. 32 + 20 = ______
  14. 17 + 20 = ______
  15. 53 + 10 = ______
  16. 51 + 10 = ______
  17. 20 + 10 = ______
  18. 68 − 10 = ______
  19. 19 + 20 = ______
  20. 27 − 10 = ______