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. 43 + 20 = ______
  2. 4 × 10 = ______
  3. 18 + 20 = ______
  4. 44 + 20 = ______
  5. 89 + 10 = ______
  6. 88 − 10 = ______
  7. 80 + 10 = ______
  8. 39 + 20 = ______
  9. 69 + 10 = ______
  10. 40 − 10 = ______
  11. 8 × 10 = ______
  12. 85 + 20 = ______
  13. 30 − 10 = ______
  14. 2 × 10 = ______
  15. 78 + 20 = ______
  16. 26 − 10 = ______
  17. 65 + 10 = ______
  18. 75 − 10 = ______
  19. 70 + 20 = ______
  20. 58 + 20 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath