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. 24 − 10 = ______
  2. 13 + 20 = ______
  3. 79 + 20 = ______
  4. 86 + 20 = ______
  5. 2 × 10 = ______
  6. 81 + 10 = ______
  7. 1 × 10 = ______
  8. 60 + 20 = ______
  9. 4 × 10 = ______
  10. 31 + 10 = ______
  11. 49 + 20 = ______
  12. 94 − 10 = ______
  13. 20 + 20 = ______
  14. 72 + 10 = ______
  15. 49 + 10 = ______
  16. 96 − 10 = ______
  17. 25 + 20 = ______
  18. 59 + 10 = ______
  19. 75 + 10 = ______
  20. 21 + 10 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath