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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. 67 + 20 = ______
  2. 2 × 10 = ______
  3. 8 × 10 = ______
  4. 1 × 10 = ______
  5. 35 − 10 = ______
  6. 17 + 10 = ______
  7. 4 × 10 = ______
  8. 38 + 20 = ______
  9. 30 + 20 = ______
  10. 27 + 20 = ______
  11. 61 + 20 = ______
  12. 54 − 10 = ______
  13. 46 + 20 = ______
  14. 51 + 10 = ______
  15. 52 + 10 = ______
  16. 62 − 10 = ______
  17. 58 + 10 = ______
  18. 79 − 10 = ______
  19. 50 + 20 = ______
  20. 77 + 20 = ______
Matematica mentale Worksheet — Free Printable with Answer Key | WaffleMath