Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 57 − 22 by rounding each number to the nearest 10: ______
- Estimate 61 + 38 by rounding each number to the nearest 10: ______
- Estimate 79 + 39 by rounding each number to the nearest 10: ______
- Estimate 61 + 52 by rounding each number to the nearest 10: ______
- Estimate 82 + 86 by rounding each number to the nearest 10: ______
- Estimate 71 − 50 by rounding each number to the nearest 10: ______
- Estimate 70 + 79 by rounding each number to the nearest 10: ______
- Estimate 35 + 27 by rounding each number to the nearest 10: ______
- Estimate 65 + 39 by rounding each number to the nearest 10: ______
- Estimate 59 − 87 by rounding each number to the nearest 10: ______
- Estimate 58 − 39 by rounding each number to the nearest 10: ______
- Estimate 66 + 75 by rounding each number to the nearest 10: ______
- Estimate 31 + 82 by rounding each number to the nearest 10: ______
- Estimate 36 + 69 by rounding each number to the nearest 10: ______
- Estimate 31 − 39 by rounding each number to the nearest 10: ______
- Estimate 85 − 79 by rounding each number to the nearest 10: ______
- Estimate 70 − 26 by rounding each number to the nearest 10: ______
- Estimate 80 + 50 by rounding each number to the nearest 10: ______
- Estimate 66 + 63 by rounding each number to the nearest 10: ______
- Estimate 30 − 63 by rounding each number to the nearest 10: ______