Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 85 + 74 by rounding each number to the nearest 10: ______
- Estimate 60 − 23 by rounding each number to the nearest 10: ______
- Estimate 62 + 42 by rounding each number to the nearest 10: ______
- Estimate 74 − 81 by rounding each number to the nearest 10: ______
- Estimate 81 + 42 by rounding each number to the nearest 10: ______
- Estimate 25 − 81 by rounding each number to the nearest 10: ______
- Estimate 38 − 66 by rounding each number to the nearest 10: ______
- Estimate 74 + 24 by rounding each number to the nearest 10: ______
- Estimate 87 − 51 by rounding each number to the nearest 10: ______
- Estimate 26 − 87 by rounding each number to the nearest 10: ______
- Estimate 72 + 69 by rounding each number to the nearest 10: ______
- Estimate 88 + 23 by rounding each number to the nearest 10: ______
- Estimate 40 + 21 by rounding each number to the nearest 10: ______
- Estimate 56 + 71 by rounding each number to the nearest 10: ______
- Estimate 28 − 84 by rounding each number to the nearest 10: ______
- Estimate 22 − 48 by rounding each number to the nearest 10: ______
- Estimate 34 − 78 by rounding each number to the nearest 10: ______
- Estimate 35 − 23 by rounding each number to the nearest 10: ______
- Estimate 25 + 65 by rounding each number to the nearest 10: ______
- Estimate 78 − 45 by rounding each number to the nearest 10: ______