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. 99 − 10 = ______
  2. 5 × 10 = ______
  3. 18 + 10 = ______
  4. 70 + 10 = ______
  5. 7 × 10 = ______
  6. 63 + 20 = ______
  7. 19 + 20 = ______
  8. 8 × 10 = ______
  9. 18 + 20 = ______
  10. 54 + 10 = ______
  11. 14 + 20 = ______
  12. 65 + 20 = ______
  13. 16 + 10 = ______
  14. 33 + 10 = ______
  15. 27 + 10 = ______
  16. 50 − 10 = ______
  17. 97 − 10 = ______
  18. 56 − 10 = ______
  19. 78 + 10 = ______
  20. 90 − 10 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath