Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 51 + 39 by rounding each number to the nearest 10: ______
- Estimate 70 + 76 by rounding each number to the nearest 10: ______
- Estimate 26 − 75 by rounding each number to the nearest 10: ______
- Estimate 53 + 72 by rounding each number to the nearest 10: ______
- Estimate 75 − 86 by rounding each number to the nearest 10: ______
- Estimate 30 − 75 by rounding each number to the nearest 10: ______
- Estimate 24 − 58 by rounding each number to the nearest 10: ______
- Estimate 60 − 78 by rounding each number to the nearest 10: ______
- Estimate 40 − 33 by rounding each number to the nearest 10: ______
- Estimate 87 + 23 by rounding each number to the nearest 10: ______
- Estimate 39 + 40 by rounding each number to the nearest 10: ______
- Estimate 57 − 75 by rounding each number to the nearest 10: ______
- Estimate 33 − 63 by rounding each number to the nearest 10: ______
- Estimate 84 − 66 by rounding each number to the nearest 10: ______
- Estimate 50 − 45 by rounding each number to the nearest 10: ______
- Estimate 59 + 81 by rounding each number to the nearest 10: ______
- Estimate 38 − 46 by rounding each number to the nearest 10: ______
- Estimate 75 + 61 by rounding each number to the nearest 10: ______
- Estimate 33 + 39 by rounding each number to the nearest 10: ______
- Estimate 21 − 75 by rounding each number to the nearest 10: ______