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. 57 + 10 = ______
  2. 23 + 10 = ______
  3. 2 × 10 = ______
  4. 51 + 20 = ______
  5. 28 + 10 = ______
  6. 53 + 10 = ______
  7. 47 + 20 = ______
  8. 1 × 10 = ______
  9. 8 × 10 = ______
  10. 6 × 10 = ______
  11. 9 × 10 = ______
  12. 81 + 10 = ______
  13. 3 × 10 = ______
  14. 70 + 10 = ______
  15. 49 + 10 = ______
  16. 52 − 10 = ______
  17. 59 + 10 = ______
  18. 27 − 10 = ______
  19. 62 − 10 = ______
  20. 18 + 20 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath