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. 77 + 10 = ______
  2. 2 × 10 = ______
  3. 12 + 10 = ______
  4. 58 − 10 = ______
  5. 61 + 10 = ______
  6. 57 − 10 = ______
  7. 83 + 20 = ______
  8. 88 + 20 = ______
  9. 70 + 20 = ______
  10. 79 + 10 = ______
  11. 8 × 10 = ______
  12. 30 + 10 = ______
  13. 1 × 10 = ______
  14. 65 + 20 = ______
  15. 84 − 10 = ______
  16. 91 − 10 = ______
  17. 32 + 10 = ______
  18. 32 + 20 = ______
  19. 14 + 20 = ______
  20. 69 − 10 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath