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. 54 − 10 = ______
  2. 37 + 10 = ______
  3. 1 × 10 = ______
  4. 17 + 20 = ______
  5. 5 × 10 = ______
  6. 67 + 20 = ______
  7. 70 + 10 = ______
  8. 14 + 20 = ______
  9. 84 + 20 = ______
  10. 63 + 10 = ______
  11. 83 − 10 = ______
  12. 53 + 20 = ______
  13. 26 + 20 = ______
  14. 91 − 10 = ______
  15. 73 + 10 = ______
  16. 67 + 10 = ______
  17. 25 + 10 = ______
  18. 7 × 10 = ______
  19. 56 + 20 = ______
  20. 6 × 10 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath