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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 76 + 54 by rounding each number to the nearest 10: ______
  2. Estimate 31 − 44 by rounding each number to the nearest 10: ______
  3. Estimate 60 − 21 by rounding each number to the nearest 10: ______
  4. Estimate 55 + 46 by rounding each number to the nearest 10: ______
  5. Estimate 47 + 34 by rounding each number to the nearest 10: ______
  6. Estimate 35 − 66 by rounding each number to the nearest 10: ______
  7. Estimate 26 − 78 by rounding each number to the nearest 10: ______
  8. Estimate 67 − 51 by rounding each number to the nearest 10: ______
  9. Estimate 45 − 80 by rounding each number to the nearest 10: ______
  10. Estimate 31 + 56 by rounding each number to the nearest 10: ______
  11. Estimate 35 − 56 by rounding each number to the nearest 10: ______
  12. Estimate 77 − 28 by rounding each number to the nearest 10: ______
  13. Estimate 85 + 87 by rounding each number to the nearest 10: ______
  14. Estimate 44 − 83 by rounding each number to the nearest 10: ______
  15. Estimate 33 + 89 by rounding each number to the nearest 10: ______
  16. Estimate 59 + 30 by rounding each number to the nearest 10: ______
  17. Estimate 86 + 69 by rounding each number to the nearest 10: ______
  18. Estimate 69 + 59 by rounding each number to the nearest 10: ______
  19. Estimate 39 + 58 by rounding each number to the nearest 10: ______
  20. Estimate 25 − 40 by rounding each number to the nearest 10: ______