Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 71 − 68 by rounding each number to the nearest 10: ______
- Estimate 53 + 42 by rounding each number to the nearest 10: ______
- Estimate 88 − 55 by rounding each number to the nearest 10: ______
- Estimate 30 − 55 by rounding each number to the nearest 10: ______
- Estimate 22 − 59 by rounding each number to the nearest 10: ______
- Estimate 82 + 61 by rounding each number to the nearest 10: ______
- Estimate 88 − 70 by rounding each number to the nearest 10: ______
- Estimate 43 − 42 by rounding each number to the nearest 10: ______
- Estimate 84 + 26 by rounding each number to the nearest 10: ______
- Estimate 87 + 39 by rounding each number to the nearest 10: ______
- Estimate 44 − 45 by rounding each number to the nearest 10: ______
- Estimate 68 + 24 by rounding each number to the nearest 10: ______
- Estimate 84 − 78 by rounding each number to the nearest 10: ______
- Estimate 59 − 51 by rounding each number to the nearest 10: ______
- Estimate 66 + 76 by rounding each number to the nearest 10: ______
- Estimate 42 − 52 by rounding each number to the nearest 10: ______
- Estimate 54 − 85 by rounding each number to the nearest 10: ______
- Estimate 79 − 78 by rounding each number to the nearest 10: ______
- Estimate 42 − 78 by rounding each number to the nearest 10: ______
- Estimate 85 − 43 by rounding each number to the nearest 10: ______