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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 80 + 53 by rounding each number to the nearest 10: ______
  2. Estimate 59 − 88 by rounding each number to the nearest 10: ______
  3. Estimate 27 − 74 by rounding each number to the nearest 10: ______
  4. Estimate 76 − 39 by rounding each number to the nearest 10: ______
  5. Estimate 32 − 31 by rounding each number to the nearest 10: ______
  6. Estimate 50 − 73 by rounding each number to the nearest 10: ______
  7. Estimate 54 − 48 by rounding each number to the nearest 10: ______
  8. Estimate 71 + 32 by rounding each number to the nearest 10: ______
  9. Estimate 63 − 51 by rounding each number to the nearest 10: ______
  10. Estimate 48 + 61 by rounding each number to the nearest 10: ______
  11. Estimate 34 + 54 by rounding each number to the nearest 10: ______
  12. Estimate 45 + 66 by rounding each number to the nearest 10: ______
  13. Estimate 34 + 47 by rounding each number to the nearest 10: ______
  14. Estimate 21 + 72 by rounding each number to the nearest 10: ______
  15. Estimate 75 − 74 by rounding each number to the nearest 10: ______
  16. Estimate 70 + 51 by rounding each number to the nearest 10: ______
  17. Estimate 73 + 39 by rounding each number to the nearest 10: ______
  18. Estimate 37 − 86 by rounding each number to the nearest 10: ______
  19. Estimate 55 + 64 by rounding each number to the nearest 10: ______
  20. Estimate 57 + 86 by rounding each number to the nearest 10: ______