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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 84 + 55 by rounding each number to the nearest 10: ______
  2. Estimate 64 − 24 by rounding each number to the nearest 10: ______
  3. Estimate 63 + 56 by rounding each number to the nearest 10: ______
  4. Estimate 33 − 35 by rounding each number to the nearest 10: ______
  5. Estimate 68 + 50 by rounding each number to the nearest 10: ______
  6. Estimate 40 − 55 by rounding each number to the nearest 10: ______
  7. Estimate 70 + 32 by rounding each number to the nearest 10: ______
  8. Estimate 69 + 67 by rounding each number to the nearest 10: ______
  9. Estimate 22 − 64 by rounding each number to the nearest 10: ______
  10. Estimate 38 − 66 by rounding each number to the nearest 10: ______
  11. Estimate 73 − 70 by rounding each number to the nearest 10: ______
  12. Estimate 29 − 66 by rounding each number to the nearest 10: ______
  13. Estimate 76 + 25 by rounding each number to the nearest 10: ______
  14. Estimate 68 + 42 by rounding each number to the nearest 10: ______
  15. Estimate 89 + 64 by rounding each number to the nearest 10: ______
  16. Estimate 30 − 89 by rounding each number to the nearest 10: ______
  17. Estimate 82 + 24 by rounding each number to the nearest 10: ______
  18. Estimate 46 − 40 by rounding each number to the nearest 10: ______
  19. Estimate 74 + 77 by rounding each number to the nearest 10: ______
  20. Estimate 42 − 79 by rounding each number to the nearest 10: ______