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. 28 + 20 = ______
  2. 35 − 10 = ______
  3. 81 + 10 = ______
  4. 62 − 10 = ______
  5. 5 × 10 = ______
  6. 22 + 10 = ______
  7. 8 × 10 = ______
  8. 57 + 10 = ______
  9. 63 + 20 = ______
  10. 42 + 20 = ______
  11. 9 × 10 = ______
  12. 4 × 10 = ______
  13. 21 + 10 = ______
  14. 56 + 10 = ______
  15. 63 − 10 = ______
  16. 19 + 10 = ______
  17. 78 + 10 = ______
  18. 58 + 20 = ______
  19. 7 × 10 = ______
  20. 72 + 20 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath