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. 32 + 10 = ______
  2. 23 + 10 = ______
  3. 99 − 10 = ______
  4. 34 + 20 = ______
  5. 56 − 10 = ______
  6. 20 + 20 = ______
  7. 47 + 10 = ______
  8. 80 + 10 = ______
  9. 79 + 20 = ______
  10. 8 × 10 = ______
  11. 77 + 20 = ______
  12. 4 × 10 = ______
  13. 22 + 20 = ______
  14. 16 + 10 = ______
  15. 89 + 20 = ______
  16. 66 − 10 = ______
  17. 14 + 20 = ______
  18. 35 + 10 = ______
  19. 82 − 10 = ______
  20. 9 × 10 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath