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. 35 + 10 = ______
  2. 2 × 10 = ______
  3. 61 + 20 = ______
  4. 61 + 10 = ______
  5. 59 + 10 = ______
  6. 12 + 20 = ______
  7. 77 + 20 = ______
  8. 36 − 10 = ______
  9. 31 + 20 = ______
  10. 89 + 10 = ______
  11. 3 × 10 = ______
  12. 67 + 10 = ______
  13. 83 + 20 = ______
  14. 30 + 10 = ______
  15. 6 × 10 = ______
  16. 17 + 20 = ______
  17. 1 × 10 = ______
  18. 64 + 10 = ______
  19. 83 + 10 = ______
  20. 63 + 10 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath