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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 52 − 65 by rounding each number to the nearest 10: ______
  2. Estimate 84 − 35 by rounding each number to the nearest 10: ______
  3. Estimate 85 + 48 by rounding each number to the nearest 10: ______
  4. Estimate 24 − 83 by rounding each number to the nearest 10: ______
  5. Estimate 76 + 34 by rounding each number to the nearest 10: ______
  6. Estimate 62 − 79 by rounding each number to the nearest 10: ______
  7. Estimate 73 + 54 by rounding each number to the nearest 10: ______
  8. Estimate 38 + 89 by rounding each number to the nearest 10: ______
  9. Estimate 82 + 24 by rounding each number to the nearest 10: ______
  10. Estimate 77 + 68 by rounding each number to the nearest 10: ______
  11. Estimate 49 − 74 by rounding each number to the nearest 10: ______
  12. Estimate 48 − 61 by rounding each number to the nearest 10: ______
  13. Estimate 62 + 38 by rounding each number to the nearest 10: ______
  14. Estimate 57 + 66 by rounding each number to the nearest 10: ______
  15. Estimate 67 − 80 by rounding each number to the nearest 10: ______
  16. Estimate 59 − 55 by rounding each number to the nearest 10: ______
  17. Estimate 31 − 25 by rounding each number to the nearest 10: ______
  18. Estimate 65 + 21 by rounding each number to the nearest 10: ______
  19. Estimate 83 + 25 by rounding each number to the nearest 10: ______
  20. Estimate 60 − 68 by rounding each number to the nearest 10: ______