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. 89 − 10 = ______
  2. 62 + 10 = ______
  3. 79 + 10 = ______
  4. 23 + 20 = ______
  5. 69 − 10 = ______
  6. 15 + 10 = ______
  7. 38 + 10 = ______
  8. 89 + 10 = ______
  9. 16 + 20 = ______
  10. 20 + 20 = ______
  11. 3 × 10 = ______
  12. 94 − 10 = ______
  13. 25 + 10 = ______
  14. 53 + 10 = ______
  15. 6 × 10 = ______
  16. 9 × 10 = ______
  17. 11 + 10 = ______
  18. 5 × 10 = ______
  19. 26 + 20 = ______
  20. 41 − 10 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath