Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 86 − 63 by rounding each number to the nearest 10: ______
- Estimate 88 + 61 by rounding each number to the nearest 10: ______
- Estimate 50 + 59 by rounding each number to the nearest 10: ______
- Estimate 59 + 84 by rounding each number to the nearest 10: ______
- Estimate 54 − 59 by rounding each number to the nearest 10: ______
- Estimate 35 − 64 by rounding each number to the nearest 10: ______
- Estimate 51 + 70 by rounding each number to the nearest 10: ______
- Estimate 53 + 49 by rounding each number to the nearest 10: ______
- Estimate 43 + 30 by rounding each number to the nearest 10: ______
- Estimate 45 + 75 by rounding each number to the nearest 10: ______
- Estimate 28 + 74 by rounding each number to the nearest 10: ______
- Estimate 68 + 55 by rounding each number to the nearest 10: ______
- Estimate 49 − 78 by rounding each number to the nearest 10: ______
- Estimate 25 + 45 by rounding each number to the nearest 10: ______
- Estimate 71 − 35 by rounding each number to the nearest 10: ______
- Estimate 31 − 79 by rounding each number to the nearest 10: ______
- Estimate 65 + 86 by rounding each number to the nearest 10: ______
- Estimate 76 − 82 by rounding each number to the nearest 10: ______
- Estimate 29 − 63 by rounding each number to the nearest 10: ______
- Estimate 52 − 66 by rounding each number to the nearest 10: ______