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. 24 + 10 = ______
  2. 87 + 20 = ______
  3. 58 − 10 = ______
  4. 56 + 10 = ______
  5. 67 + 20 = ______
  6. 37 − 10 = ______
  7. 59 + 10 = ______
  8. 62 + 20 = ______
  9. 50 + 20 = ______
  10. 63 + 20 = ______
  11. 81 + 20 = ______
  12. 27 + 20 = ______
  13. 8 × 10 = ______
  14. 59 − 10 = ______
  15. 87 + 10 = ______
  16. 77 − 10 = ______
  17. 9 × 10 = ______
  18. 35 + 10 = ______
  19. 42 + 20 = ______
  20. 31 − 10 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath