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. 14 + 20 = ______
  2. 94 − 10 = ______
  3. 78 + 10 = ______
  4. 12 + 10 = ______
  5. 52 + 10 = ______
  6. 30 + 10 = ______
  7. 65 − 10 = ______
  8. 15 + 10 = ______
  9. 26 + 10 = ______
  10. 58 + 20 = ______
  11. 74 + 20 = ______
  12. 7 × 10 = ______
  13. 59 + 20 = ______
  14. 87 + 20 = ______
  15. 61 − 10 = ______
  16. 87 + 10 = ______
  17. 48 + 10 = ______
  18. 6 × 10 = ______
  19. 65 + 10 = ______
  20. 95 − 10 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath