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. 93 − 10 = ______
  2. 19 + 20 = ______
  3. 11 + 20 = ______
  4. 4 × 10 = ______
  5. 68 + 20 = ______
  6. 21 + 20 = ______
  7. 7 × 10 = ______
  8. 48 + 10 = ______
  9. 70 + 20 = ______
  10. 6 × 10 = ______
  11. 82 + 20 = ______
  12. 45 − 10 = ______
  13. 74 + 20 = ______
  14. 47 + 20 = ______
  15. 22 + 20 = ______
  16. 59 + 20 = ______
  17. 84 − 10 = ______
  18. 29 + 10 = ______
  19. 51 + 10 = ______
  20. 24 + 10 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath