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. 86 − 10 = ______
  2. 68 + 20 = ______
  3. 76 + 10 = ______
  4. 24 + 20 = ______
  5. 21 − 10 = ______
  6. 28 + 20 = ______
  7. 51 + 20 = ______
  8. 36 + 20 = ______
  9. 18 + 10 = ______
  10. 6 × 10 = ______
  11. 57 + 20 = ______
  12. 78 − 10 = ______
  13. 60 + 20 = ______
  14. 5 × 10 = ______
  15. 2 × 10 = ______
  16. 23 + 20 = ______
  17. 20 + 10 = ______
  18. 3 × 10 = ______
  19. 31 − 10 = ______
  20. 20 + 20 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath