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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 88 + 34 by rounding each number to the nearest 10: ______
  2. Estimate 31 + 84 by rounding each number to the nearest 10: ______
  3. Estimate 25 + 78 by rounding each number to the nearest 10: ______
  4. Estimate 41 + 37 by rounding each number to the nearest 10: ______
  5. Estimate 43 + 85 by rounding each number to the nearest 10: ______
  6. Estimate 67 + 25 by rounding each number to the nearest 10: ______
  7. Estimate 66 − 44 by rounding each number to the nearest 10: ______
  8. Estimate 76 − 69 by rounding each number to the nearest 10: ______
  9. Estimate 81 − 68 by rounding each number to the nearest 10: ______
  10. Estimate 83 + 73 by rounding each number to the nearest 10: ______
  11. Estimate 70 − 33 by rounding each number to the nearest 10: ______
  12. Estimate 58 − 64 by rounding each number to the nearest 10: ______
  13. Estimate 21 − 48 by rounding each number to the nearest 10: ______
  14. Estimate 66 + 53 by rounding each number to the nearest 10: ______
  15. Estimate 38 + 49 by rounding each number to the nearest 10: ______
  16. Estimate 24 − 74 by rounding each number to the nearest 10: ______
  17. Estimate 39 − 50 by rounding each number to the nearest 10: ______
  18. Estimate 70 + 67 by rounding each number to the nearest 10: ______
  19. Estimate 75 + 33 by rounding each number to the nearest 10: ______
  20. Estimate 51 − 30 by rounding each number to the nearest 10: ______