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. 19 + 10 = ______
  2. 23 + 10 = ______
  3. 8 × 10 = ______
  4. 35 − 10 = ______
  5. 58 + 10 = ______
  6. 87 − 10 = ______
  7. 34 + 10 = ______
  8. 76 + 10 = ______
  9. 59 − 10 = ______
  10. 14 + 10 = ______
  11. 78 + 20 = ______
  12. 39 − 10 = ______
  13. 49 + 10 = ______
  14. 58 − 10 = ______
  15. 26 + 20 = ______
  16. 81 + 20 = ______
  17. 83 + 10 = ______
  18. 7 × 10 = ______
  19. 72 + 10 = ______
  20. 51 + 10 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath