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. 11 + 20 = ______
  2. 71 + 10 = ______
  3. 5 × 10 = ______
  4. 44 + 20 = ______
  5. 69 + 10 = ______
  6. 31 − 10 = ______
  7. 13 + 20 = ______
  8. 56 + 20 = ______
  9. 18 + 10 = ______
  10. 53 + 20 = ______
  11. 51 + 10 = ______
  12. 38 + 20 = ______
  13. 72 + 20 = ______
  14. 82 + 10 = ______
  15. 22 + 20 = ______
  16. 86 − 10 = ______
  17. 82 − 10 = ______
  18. 63 − 10 = ______
  19. 76 − 10 = ______
  20. 47 − 10 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath