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. 29 + 10 = ______
  2. 79 + 10 = ______
  3. 36 + 10 = ______
  4. 98 − 10 = ______
  5. 2 × 10 = ______
  6. 86 + 10 = ______
  7. 87 + 10 = ______
  8. 17 + 20 = ______
  9. 9 × 10 = ______
  10. 90 − 10 = ______
  11. 83 + 10 = ______
  12. 20 + 10 = ______
  13. 23 + 20 = ______
  14. 58 − 10 = ______
  15. 7 × 10 = ______
  16. 8 × 10 = ______
  17. 73 − 10 = ______
  18. 53 + 10 = ______
  19. 39 + 20 = ______
  20. 14 + 20 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath