Matemáticas mentales Worksheet

Recommended for 1er grado — 5to grado

New Worksheet

Matemáticas mentales Worksheet

Name: ____________________Date: ____________

Instructions: Usar estrategias mentales como sumar diez, duplicar y compensar para calcular rápidamente.

20 problems

  1. 18 + 20 = ______
  2. 2 × 10 = ______
  3. 66 + 20 = ______
  4. 74 + 20 = ______
  5. 18 + 10 = ______
  6. 24 + 10 = ______
  7. 1 × 10 = ______
  8. 29 + 20 = ______
  9. 53 + 20 = ______
  10. 3 × 10 = ______
  11. 17 + 20 = ______
  12. 69 − 10 = ______
  13. 31 − 10 = ______
  14. 87 + 20 = ______
  15. 61 + 20 = ______
  16. 9 × 10 = ______
  17. 57 − 10 = ______
  18. 91 − 10 = ______
  19. 30 + 20 = ______
  20. 75 + 10 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath