Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 24 − 50 by rounding each number to the nearest 10: ______
- Estimate 68 − 49 by rounding each number to the nearest 10: ______
- Estimate 50 − 80 by rounding each number to the nearest 10: ______
- Estimate 45 + 60 by rounding each number to the nearest 10: ______
- Estimate 65 − 30 by rounding each number to the nearest 10: ______
- Estimate 74 + 40 by rounding each number to the nearest 10: ______
- Estimate 73 − 29 by rounding each number to the nearest 10: ______
- Estimate 48 + 30 by rounding each number to the nearest 10: ______
- Estimate 87 − 65 by rounding each number to the nearest 10: ______
- Estimate 78 + 71 by rounding each number to the nearest 10: ______
- Estimate 71 + 46 by rounding each number to the nearest 10: ______
- Estimate 74 + 54 by rounding each number to the nearest 10: ______
- Estimate 86 + 40 by rounding each number to the nearest 10: ______
- Estimate 87 + 56 by rounding each number to the nearest 10: ______
- Estimate 60 − 38 by rounding each number to the nearest 10: ______
- Estimate 43 − 23 by rounding each number to the nearest 10: ______
- Estimate 66 + 69 by rounding each number to the nearest 10: ______
- Estimate 53 − 80 by rounding each number to the nearest 10: ______
- Estimate 46 − 28 by rounding each number to the nearest 10: ______
- Estimate 83 − 23 by rounding each number to the nearest 10: ______