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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 69 + 82 by rounding each number to the nearest 10: ______
  2. Estimate 86 + 42 by rounding each number to the nearest 10: ______
  3. Estimate 30 + 79 by rounding each number to the nearest 10: ______
  4. Estimate 39 − 60 by rounding each number to the nearest 10: ______
  5. Estimate 82 − 69 by rounding each number to the nearest 10: ______
  6. Estimate 63 + 76 by rounding each number to the nearest 10: ______
  7. Estimate 73 + 65 by rounding each number to the nearest 10: ______
  8. Estimate 54 − 79 by rounding each number to the nearest 10: ______
  9. Estimate 70 − 68 by rounding each number to the nearest 10: ______
  10. Estimate 48 − 83 by rounding each number to the nearest 10: ______
  11. Estimate 50 − 21 by rounding each number to the nearest 10: ______
  12. Estimate 73 − 23 by rounding each number to the nearest 10: ______
  13. Estimate 72 + 34 by rounding each number to the nearest 10: ______
  14. Estimate 36 + 33 by rounding each number to the nearest 10: ______
  15. Estimate 69 − 47 by rounding each number to the nearest 10: ______
  16. Estimate 87 − 86 by rounding each number to the nearest 10: ______
  17. Estimate 47 + 86 by rounding each number to the nearest 10: ______
  18. Estimate 81 + 83 by rounding each number to the nearest 10: ______
  19. Estimate 38 + 45 by rounding each number to the nearest 10: ______
  20. Estimate 23 + 22 by rounding each number to the nearest 10: ______