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. 26 − 10 = ______
  2. 13 + 10 = ______
  3. 62 + 10 = ______
  4. 46 + 10 = ______
  5. 79 + 20 = ______
  6. 17 + 10 = ______
  7. 27 + 20 = ______
  8. 40 − 10 = ______
  9. 7 × 10 = ______
  10. 74 − 10 = ______
  11. 3 × 10 = ______
  12. 76 + 10 = ______
  13. 92 − 10 = ______
  14. 25 + 20 = ______
  15. 38 − 10 = ______
  16. 32 + 20 = ______
  17. 30 + 10 = ______
  18. 65 + 10 = ______
  19. 65 + 20 = ______
  20. 82 + 20 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath