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Estimación Worksheet

Recommended for 2do grado — 5to grado

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Estimación Worksheet

Name: ____________________Date: ____________

Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.

20 problems

  1. Estimate 35 + 31 by rounding each number to the nearest 10: ______
  2. Estimate 73 − 60 by rounding each number to the nearest 10: ______
  3. Estimate 85 − 58 by rounding each number to the nearest 10: ______
  4. Estimate 45 − 77 by rounding each number to the nearest 10: ______
  5. Estimate 44 − 45 by rounding each number to the nearest 10: ______
  6. Estimate 60 + 85 by rounding each number to the nearest 10: ______
  7. Estimate 30 − 78 by rounding each number to the nearest 10: ______
  8. Estimate 43 − 21 by rounding each number to the nearest 10: ______
  9. Estimate 45 + 66 by rounding each number to the nearest 10: ______
  10. Estimate 42 − 58 by rounding each number to the nearest 10: ______
  11. Estimate 86 − 23 by rounding each number to the nearest 10: ______
  12. Estimate 55 + 77 by rounding each number to the nearest 10: ______
  13. Estimate 60 + 28 by rounding each number to the nearest 10: ______
  14. Estimate 53 + 75 by rounding each number to the nearest 10: ______
  15. Estimate 67 + 66 by rounding each number to the nearest 10: ______
  16. Estimate 41 − 24 by rounding each number to the nearest 10: ______
  17. Estimate 27 + 74 by rounding each number to the nearest 10: ______
  18. Estimate 23 − 79 by rounding each number to the nearest 10: ______
  19. Estimate 22 − 81 by rounding each number to the nearest 10: ______
  20. Estimate 42 − 35 by rounding each number to the nearest 10: ______