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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 79 + 30 by rounding each number to the nearest 10: ______
  2. Estimate 83 − 69 by rounding each number to the nearest 10: ______
  3. Estimate 36 + 54 by rounding each number to the nearest 10: ______
  4. Estimate 68 + 58 by rounding each number to the nearest 10: ______
  5. Estimate 86 + 38 by rounding each number to the nearest 10: ______
  6. Estimate 33 − 57 by rounding each number to the nearest 10: ______
  7. Estimate 54 − 25 by rounding each number to the nearest 10: ______
  8. Estimate 21 − 76 by rounding each number to the nearest 10: ______
  9. Estimate 68 − 48 by rounding each number to the nearest 10: ______
  10. Estimate 49 + 23 by rounding each number to the nearest 10: ______
  11. Estimate 48 + 34 by rounding each number to the nearest 10: ______
  12. Estimate 76 + 79 by rounding each number to the nearest 10: ______
  13. Estimate 53 + 41 by rounding each number to the nearest 10: ______
  14. Estimate 46 + 87 by rounding each number to the nearest 10: ______
  15. Estimate 32 + 41 by rounding each number to the nearest 10: ______
  16. Estimate 39 + 29 by rounding each number to the nearest 10: ______
  17. Estimate 76 − 44 by rounding each number to the nearest 10: ______
  18. Estimate 88 + 75 by rounding each number to the nearest 10: ______
  19. Estimate 78 + 86 by rounding each number to the nearest 10: ______
  20. Estimate 23 + 29 by rounding each number to the nearest 10: ______