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. 61 + 20 = ______
  3. 79 + 20 = ______
  4. 49 − 10 = ______
  5. 77 + 10 = ______
  6. 96 − 10 = ______
  7. 87 + 20 = ______
  8. 86 + 20 = ______
  9. 35 + 20 = ______
  10. 1 × 10 = ______
  11. 11 + 20 = ______
  12. 84 + 20 = ______
  13. 30 + 10 = ______
  14. 88 − 10 = ______
  15. 43 + 10 = ______
  16. 93 − 10 = ______
  17. 74 + 20 = ______
  18. 49 + 20 = ______
  19. 2 × 10 = ______
  20. 38 + 10 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath