Matemáticas mentales Worksheet

Recommended for 1er grado — 5to grado

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Matemáticas mentales Worksheet

Name: ____________________Date: ____________

Instructions: Usar estrategias mentales como sumar diez, duplicar y compensar para calcular rápidamente.

20 problems

  1. 95 − 10 = ______
  2. 41 − 10 = ______
  3. 31 − 10 = ______
  4. 34 + 20 = ______
  5. 82 + 10 = ______
  6. 61 + 20 = ______
  7. 2 × 10 = ______
  8. 22 + 10 = ______
  9. 5 × 10 = ______
  10. 55 + 10 = ______
  11. 63 + 10 = ______
  12. 43 + 20 = ______
  13. 54 + 20 = ______
  14. 84 − 10 = ______
  15. 69 + 20 = ______
  16. 45 + 10 = ______
  17. 55 + 20 = ______
  18. 70 + 20 = ______
  19. 72 − 10 = ______
  20. 46 + 20 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath