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. 43 + 10 = ______
  2. 5 × 10 = ______
  3. 50 + 20 = ______
  4. 84 + 20 = ______
  5. 24 + 20 = ______
  6. 23 − 10 = ______
  7. 51 − 10 = ______
  8. 4 × 10 = ______
  9. 37 + 10 = ______
  10. 62 + 10 = ______
  11. 15 + 10 = ______
  12. 31 − 10 = ______
  13. 6 × 10 = ______
  14. 88 − 10 = ______
  15. 59 + 10 = ______
  16. 9 × 10 = ______
  17. 82 + 20 = ______
  18. 63 + 20 = ______
  19. 17 + 10 = ______
  20. 14 + 20 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath