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. 55 + 20 = ______
  2. 88 + 20 = ______
  3. 43 − 10 = ______
  4. 41 + 20 = ______
  5. 81 − 10 = ______
  6. 85 + 10 = ______
  7. 86 + 10 = ______
  8. 74 + 20 = ______
  9. 48 − 10 = ______
  10. 35 + 10 = ______
  11. 9 × 10 = ______
  12. 23 + 20 = ______
  13. 61 + 20 = ______
  14. 1 × 10 = ______
  15. 96 − 10 = ______
  16. 83 + 20 = ______
  17. 42 + 10 = ______
  18. 59 + 10 = ______
  19. 2 × 10 = ______
  20. 8 × 10 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath