Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 27 + 65 by rounding each number to the nearest 10: ______
- Estimate 26 − 79 by rounding each number to the nearest 10: ______
- Estimate 45 − 72 by rounding each number to the nearest 10: ______
- Estimate 23 − 30 by rounding each number to the nearest 10: ______
- Estimate 71 − 89 by rounding each number to the nearest 10: ______
- Estimate 26 + 64 by rounding each number to the nearest 10: ______
- Estimate 47 − 27 by rounding each number to the nearest 10: ______
- Estimate 63 + 49 by rounding each number to the nearest 10: ______
- Estimate 86 − 58 by rounding each number to the nearest 10: ______
- Estimate 38 + 89 by rounding each number to the nearest 10: ______
- Estimate 25 + 74 by rounding each number to the nearest 10: ______
- Estimate 24 − 38 by rounding each number to the nearest 10: ______
- Estimate 78 + 40 by rounding each number to the nearest 10: ______
- Estimate 49 − 66 by rounding each number to the nearest 10: ______
- Estimate 87 − 87 by rounding each number to the nearest 10: ______
- Estimate 63 − 75 by rounding each number to the nearest 10: ______
- Estimate 30 − 87 by rounding each number to the nearest 10: ______
- Estimate 88 + 40 by rounding each number to the nearest 10: ______
- Estimate 85 − 84 by rounding each number to the nearest 10: ______
- Estimate 40 − 32 by rounding each number to the nearest 10: ______