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. 7 × 10 = ______
  2. 19 + 20 = ______
  3. 9 × 10 = ______
  4. 41 + 10 = ______
  5. 75 + 20 = ______
  6. 1 × 10 = ______
  7. 6 × 10 = ______
  8. 68 + 20 = ______
  9. 63 + 20 = ______
  10. 76 + 10 = ______
  11. 37 − 10 = ______
  12. 65 − 10 = ______
  13. 20 + 10 = ______
  14. 39 − 10 = ______
  15. 75 + 10 = ______
  16. 48 + 20 = ______
  17. 45 + 20 = ______
  18. 55 + 20 = ______
  19. 37 + 10 = ______
  20. 41 + 20 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath