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. 39 + 10 = ______
  2. 60 − 10 = ______
  3. 28 + 20 = ______
  4. 63 + 10 = ______
  5. 6 × 10 = ______
  6. 43 − 10 = ______
  7. 81 + 20 = ______
  8. 62 + 10 = ______
  9. 88 + 20 = ______
  10. 75 + 10 = ______
  11. 72 + 10 = ______
  12. 42 + 10 = ______
  13. 55 + 10 = ______
  14. 68 + 20 = ______
  15. 53 + 10 = ______
  16. 65 − 10 = ______
  17. 64 + 10 = ______
  18. 73 − 10 = ______
  19. 8 × 10 = ______
  20. 64 − 10 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath