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. 75 + 20 = ______
  2. 27 + 10 = ______
  3. 35 − 10 = ______
  4. 9 × 10 = ______
  5. 13 + 10 = ______
  6. 68 − 10 = ______
  7. 3 × 10 = ______
  8. 84 + 20 = ______
  9. 35 + 20 = ______
  10. 19 + 20 = ______
  11. 43 + 20 = ______
  12. 73 + 10 = ______
  13. 6 × 10 = ______
  14. 16 + 20 = ______
  15. 12 + 20 = ______
  16. 64 + 20 = ______
  17. 4 × 10 = ______
  18. 62 + 20 = ______
  19. 83 − 10 = ______
  20. 63 + 20 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath