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. 27 + 20 = ______
  2. 31 − 10 = ______
  3. 26 + 10 = ______
  4. 40 + 10 = ______
  5. 73 − 10 = ______
  6. 74 + 10 = ______
  7. 14 + 10 = ______
  8. 15 + 20 = ______
  9. 99 − 10 = ______
  10. 9 × 10 = ______
  11. 7 × 10 = ______
  12. 58 + 10 = ______
  13. 77 − 10 = ______
  14. 59 + 20 = ______
  15. 60 + 20 = ______
  16. 38 − 10 = ______
  17. 51 + 10 = ______
  18. 70 + 10 = ______
  19. 11 + 20 = ______
  20. 76 + 10 = ______
Matematica mentale Worksheet — Free Printable with Answer Key | WaffleMath