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. 58 + 10 = ______
  2. 29 + 20 = ______
  3. 82 + 10 = ______
  4. 83 + 10 = ______
  5. 47 − 10 = ______
  6. 69 − 10 = ______
  7. 9 × 10 = ______
  8. 15 + 20 = ______
  9. 8 × 10 = ______
  10. 2 × 10 = ______
  11. 6 × 10 = ______
  12. 47 + 20 = ______
  13. 39 + 10 = ______
  14. 84 − 10 = ______
  15. 89 + 20 = ______
  16. 53 + 20 = ______
  17. 73 + 10 = ______
  18. 7 × 10 = ______
  19. 13 + 20 = ______
  20. 82 + 20 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath