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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 75 + 75 by rounding each number to the nearest 10: ______
  2. Estimate 34 − 84 by rounding each number to the nearest 10: ______
  3. Estimate 58 + 79 by rounding each number to the nearest 10: ______
  4. Estimate 68 + 63 by rounding each number to the nearest 10: ______
  5. Estimate 60 + 60 by rounding each number to the nearest 10: ______
  6. Estimate 39 + 69 by rounding each number to the nearest 10: ______
  7. Estimate 38 + 31 by rounding each number to the nearest 10: ______
  8. Estimate 49 − 32 by rounding each number to the nearest 10: ______
  9. Estimate 80 + 32 by rounding each number to the nearest 10: ______
  10. Estimate 75 + 47 by rounding each number to the nearest 10: ______
  11. Estimate 87 + 66 by rounding each number to the nearest 10: ______
  12. Estimate 79 + 70 by rounding each number to the nearest 10: ______
  13. Estimate 30 − 45 by rounding each number to the nearest 10: ______
  14. Estimate 78 + 63 by rounding each number to the nearest 10: ______
  15. Estimate 61 + 83 by rounding each number to the nearest 10: ______
  16. Estimate 52 + 83 by rounding each number to the nearest 10: ______
  17. Estimate 43 − 63 by rounding each number to the nearest 10: ______
  18. Estimate 44 + 34 by rounding each number to the nearest 10: ______
  19. Estimate 33 + 32 by rounding each number to the nearest 10: ______
  20. Estimate 83 + 53 by rounding each number to the nearest 10: ______