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. 37 − 10 = ______
  2. 33 + 10 = ______
  3. 71 + 20 = ______
  4. 61 − 10 = ______
  5. 29 + 20 = ______
  6. 34 − 10 = ______
  7. 7 × 10 = ______
  8. 54 + 10 = ______
  9. 92 − 10 = ______
  10. 24 + 10 = ______
  11. 63 − 10 = ______
  12. 82 + 10 = ______
  13. 86 + 20 = ______
  14. 70 + 10 = ______
  15. 67 + 10 = ______
  16. 44 + 10 = ______
  17. 58 + 20 = ______
  18. 83 + 10 = ______
  19. 80 + 20 = ______
  20. 51 − 10 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath