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. 48 − 10 = ______
  2. 11 + 10 = ______
  3. 29 + 10 = ______
  4. 89 + 10 = ______
  5. 35 + 20 = ______
  6. 38 + 10 = ______
  7. 39 + 10 = ______
  8. 72 − 10 = ______
  9. 54 + 10 = ______
  10. 55 + 20 = ______
  11. 87 + 20 = ______
  12. 71 + 20 = ______
  13. 42 + 10 = ______
  14. 3 × 10 = ______
  15. 22 + 20 = ______
  16. 26 + 20 = ______
  17. 18 + 10 = ______
  18. 88 + 10 = ______
  19. 47 + 10 = ______
  20. 30 + 10 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath