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. 71 + 20 = ______
  2. 65 + 20 = ______
  3. 78 + 10 = ______
  4. 2 × 10 = ______
  5. 76 + 10 = ______
  6. 8 × 10 = ______
  7. 21 + 10 = ______
  8. 56 − 10 = ______
  9. 1 × 10 = ______
  10. 9 × 10 = ______
  11. 23 + 10 = ______
  12. 30 + 10 = ______
  13. 31 + 20 = ______
  14. 88 + 20 = ______
  15. 92 − 10 = ______
  16. 6 × 10 = ______
  17. 27 − 10 = ______
  18. 52 + 10 = ______
  19. 17 + 20 = ______
  20. 27 + 20 = ______
Matematica mentale Worksheet — Free Printable with Answer Key | WaffleMath