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. 77 − 10 = ______
  2. 65 + 10 = ______
  3. 76 + 20 = ______
  4. 9 × 10 = ______
  5. 71 − 10 = ______
  6. 83 + 20 = ______
  7. 1 × 10 = ______
  8. 57 + 20 = ______
  9. 72 + 10 = ______
  10. 81 + 20 = ______
  11. 62 + 10 = ______
  12. 6 × 10 = ______
  13. 38 + 10 = ______
  14. 99 − 10 = ______
  15. 94 − 10 = ______
  16. 12 + 20 = ______
  17. 70 − 10 = ______
  18. 30 + 10 = ______
  19. 85 + 20 = ______
  20. 83 + 10 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath