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. 23 − 10 = ______
  2. 36 − 10 = ______
  3. 38 + 10 = ______
  4. 49 + 10 = ______
  5. 17 + 10 = ______
  6. 6 × 10 = ______
  7. 76 + 10 = ______
  8. 91 − 10 = ______
  9. 59 + 20 = ______
  10. 46 + 10 = ______
  11. 39 + 10 = ______
  12. 34 + 10 = ______
  13. 19 + 20 = ______
  14. 24 + 10 = ______
  15. 44 + 20 = ______
  16. 26 − 10 = ______
  17. 84 + 20 = ______
  18. 68 + 20 = ______
  19. 86 + 10 = ______
  20. 96 − 10 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath