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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 72 + 55 by rounding each number to the nearest 10: ______
  2. Estimate 36 + 39 by rounding each number to the nearest 10: ______
  3. Estimate 21 − 72 by rounding each number to the nearest 10: ______
  4. Estimate 75 − 47 by rounding each number to the nearest 10: ______
  5. Estimate 23 + 70 by rounding each number to the nearest 10: ______
  6. Estimate 67 − 57 by rounding each number to the nearest 10: ______
  7. Estimate 45 − 55 by rounding each number to the nearest 10: ______
  8. Estimate 80 − 32 by rounding each number to the nearest 10: ______
  9. Estimate 44 + 71 by rounding each number to the nearest 10: ______
  10. Estimate 57 + 23 by rounding each number to the nearest 10: ______
  11. Estimate 64 + 78 by rounding each number to the nearest 10: ______
  12. Estimate 84 + 32 by rounding each number to the nearest 10: ______
  13. Estimate 35 − 64 by rounding each number to the nearest 10: ______
  14. Estimate 66 + 68 by rounding each number to the nearest 10: ______
  15. Estimate 30 + 69 by rounding each number to the nearest 10: ______
  16. Estimate 39 − 76 by rounding each number to the nearest 10: ______
  17. Estimate 30 + 86 by rounding each number to the nearest 10: ______
  18. Estimate 57 + 51 by rounding each number to the nearest 10: ______
  19. Estimate 36 − 48 by rounding each number to the nearest 10: ______
  20. Estimate 32 − 85 by rounding each number to the nearest 10: ______