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. 85 + 10 = ______
  2. 37 + 20 = ______
  3. 54 + 20 = ______
  4. 37 − 10 = ______
  5. 44 + 20 = ______
  6. 45 + 10 = ______
  7. 71 + 20 = ______
  8. 11 + 10 = ______
  9. 78 − 10 = ______
  10. 64 + 20 = ______
  11. 17 + 10 = ______
  12. 27 + 10 = ______
  13. 78 + 10 = ______
  14. 26 − 10 = ______
  15. 80 + 10 = ______
  16. 84 + 20 = ______
  17. 59 + 20 = ______
  18. 67 − 10 = ______
  19. 20 + 10 = ______
  20. 5 × 10 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath