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. 8 × 10 = ______
  2. 52 + 20 = ______
  3. 76 + 10 = ______
  4. 27 − 10 = ______
  5. 73 + 20 = ______
  6. 3 × 10 = ______
  7. 89 + 20 = ______
  8. 20 + 10 = ______
  9. 75 − 10 = ______
  10. 57 + 20 = ______
  11. 33 + 10 = ______
  12. 4 × 10 = ______
  13. 7 × 10 = ______
  14. 5 × 10 = ______
  15. 42 + 20 = ______
  16. 83 − 10 = ______
  17. 79 + 20 = ______
  18. 21 + 10 = ______
  19. 58 + 20 = ______
  20. 86 + 20 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath