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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 59 + 63 by rounding each number to the nearest 10: ______
  2. Estimate 22 − 49 by rounding each number to the nearest 10: ______
  3. Estimate 23 + 35 by rounding each number to the nearest 10: ______
  4. Estimate 35 + 42 by rounding each number to the nearest 10: ______
  5. Estimate 24 + 45 by rounding each number to the nearest 10: ______
  6. Estimate 28 − 29 by rounding each number to the nearest 10: ______
  7. Estimate 36 + 59 by rounding each number to the nearest 10: ______
  8. Estimate 32 − 55 by rounding each number to the nearest 10: ______
  9. Estimate 22 − 51 by rounding each number to the nearest 10: ______
  10. Estimate 70 − 73 by rounding each number to the nearest 10: ______
  11. Estimate 50 − 84 by rounding each number to the nearest 10: ______
  12. Estimate 65 + 72 by rounding each number to the nearest 10: ______
  13. Estimate 62 − 29 by rounding each number to the nearest 10: ______
  14. Estimate 51 − 59 by rounding each number to the nearest 10: ______
  15. Estimate 84 + 46 by rounding each number to the nearest 10: ______
  16. Estimate 76 + 55 by rounding each number to the nearest 10: ______
  17. Estimate 89 + 34 by rounding each number to the nearest 10: ______
  18. Estimate 68 + 52 by rounding each number to the nearest 10: ______
  19. Estimate 78 + 82 by rounding each number to the nearest 10: ______
  20. Estimate 89 − 77 by rounding each number to the nearest 10: ______