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. 16 + 20 = ______
  2. 49 + 10 = ______
  3. 55 + 20 = ______
  4. 6 × 10 = ______
  5. 47 + 20 = ______
  6. 22 + 20 = ______
  7. 14 + 10 = ______
  8. 89 + 20 = ______
  9. 53 + 20 = ______
  10. 27 + 10 = ______
  11. 5 × 10 = ______
  12. 52 − 10 = ______
  13. 9 × 10 = ______
  14. 62 + 20 = ______
  15. 46 + 20 = ______
  16. 60 + 20 = ______
  17. 69 + 10 = ______
  18. 8 × 10 = ______
  19. 68 − 10 = ______
  20. 85 + 20 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath