Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 55 + 88 by rounding each number to the nearest 10: ______
- Estimate 80 + 30 by rounding each number to the nearest 10: ______
- Estimate 75 − 53 by rounding each number to the nearest 10: ______
- Estimate 69 − 39 by rounding each number to the nearest 10: ______
- Estimate 86 + 71 by rounding each number to the nearest 10: ______
- Estimate 37 − 69 by rounding each number to the nearest 10: ______
- Estimate 29 + 56 by rounding each number to the nearest 10: ______
- Estimate 79 − 64 by rounding each number to the nearest 10: ______
- Estimate 79 + 21 by rounding each number to the nearest 10: ______
- Estimate 30 − 55 by rounding each number to the nearest 10: ______
- Estimate 59 − 68 by rounding each number to the nearest 10: ______
- Estimate 89 − 31 by rounding each number to the nearest 10: ______
- Estimate 59 + 40 by rounding each number to the nearest 10: ______
- Estimate 89 − 79 by rounding each number to the nearest 10: ______
- Estimate 28 + 86 by rounding each number to the nearest 10: ______
- Estimate 61 − 56 by rounding each number to the nearest 10: ______
- Estimate 87 + 49 by rounding each number to the nearest 10: ______
- Estimate 69 + 26 by rounding each number to the nearest 10: ______
- Estimate 39 + 29 by rounding each number to the nearest 10: ______
- Estimate 70 − 86 by rounding each number to the nearest 10: ______