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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 82 − 36 by rounding each number to the nearest 10: ______
  2. Estimate 24 + 53 by rounding each number to the nearest 10: ______
  3. Estimate 82 − 23 by rounding each number to the nearest 10: ______
  4. Estimate 46 − 38 by rounding each number to the nearest 10: ______
  5. Estimate 48 − 47 by rounding each number to the nearest 10: ______
  6. Estimate 70 + 38 by rounding each number to the nearest 10: ______
  7. Estimate 52 − 63 by rounding each number to the nearest 10: ______
  8. Estimate 89 + 30 by rounding each number to the nearest 10: ______
  9. Estimate 36 − 75 by rounding each number to the nearest 10: ______
  10. Estimate 32 + 31 by rounding each number to the nearest 10: ______
  11. Estimate 48 − 23 by rounding each number to the nearest 10: ______
  12. Estimate 73 + 51 by rounding each number to the nearest 10: ______
  13. Estimate 41 + 27 by rounding each number to the nearest 10: ______
  14. Estimate 57 − 36 by rounding each number to the nearest 10: ______
  15. Estimate 31 − 89 by rounding each number to the nearest 10: ______
  16. Estimate 79 − 32 by rounding each number to the nearest 10: ______
  17. Estimate 52 + 40 by rounding each number to the nearest 10: ______
  18. Estimate 59 + 59 by rounding each number to the nearest 10: ______
  19. Estimate 80 + 72 by rounding each number to the nearest 10: ______
  20. Estimate 49 + 62 by rounding each number to the nearest 10: ______