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. 63 + 10 = ______
  2. 95 − 10 = ______
  3. 79 + 20 = ______
  4. 1 × 10 = ______
  5. 18 + 20 = ______
  6. 6 × 10 = ______
  7. 55 + 20 = ______
  8. 58 + 10 = ______
  9. 56 − 10 = ______
  10. 3 × 10 = ______
  11. 66 − 10 = ______
  12. 83 + 20 = ______
  13. 24 + 20 = ______
  14. 78 + 10 = ______
  15. 54 + 10 = ______
  16. 59 + 10 = ______
  17. 7 × 10 = ______
  18. 5 × 10 = ______
  19. 27 + 20 = ______
  20. 73 + 10 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath