Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 82 − 23 by rounding each number to the nearest 10: ______
- Estimate 76 − 62 by rounding each number to the nearest 10: ______
- Estimate 83 − 85 by rounding each number to the nearest 10: ______
- Estimate 66 − 67 by rounding each number to the nearest 10: ______
- Estimate 74 − 79 by rounding each number to the nearest 10: ______
- Estimate 81 + 64 by rounding each number to the nearest 10: ______
- Estimate 78 − 45 by rounding each number to the nearest 10: ______
- Estimate 71 + 80 by rounding each number to the nearest 10: ______
- Estimate 25 − 85 by rounding each number to the nearest 10: ______
- Estimate 29 + 77 by rounding each number to the nearest 10: ______
- Estimate 68 − 70 by rounding each number to the nearest 10: ______
- Estimate 76 − 55 by rounding each number to the nearest 10: ______
- Estimate 59 − 57 by rounding each number to the nearest 10: ______
- Estimate 62 + 74 by rounding each number to the nearest 10: ______
- Estimate 60 − 39 by rounding each number to the nearest 10: ______
- Estimate 60 + 50 by rounding each number to the nearest 10: ______
- Estimate 61 + 81 by rounding each number to the nearest 10: ______
- Estimate 68 − 33 by rounding each number to the nearest 10: ______
- Estimate 83 + 25 by rounding each number to the nearest 10: ______
- Estimate 61 + 80 by rounding each number to the nearest 10: ______