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. 63 + 10 = ______
  2. 16 + 20 = ______
  3. 4 × 10 = ______
  4. 62 + 20 = ______
  5. 21 + 20 = ______
  6. 37 + 20 = ______
  7. 5 × 10 = ______
  8. 1 × 10 = ______
  9. 79 + 20 = ______
  10. 53 + 20 = ______
  11. 89 + 10 = ______
  12. 20 + 20 = ______
  13. 8 × 10 = ______
  14. 56 + 20 = ______
  15. 39 + 20 = ______
  16. 9 × 10 = ______
  17. 91 − 10 = ______
  18. 77 + 10 = ______
  19. 35 − 10 = ______
  20. 57 + 10 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath