Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 22 + 79 by rounding each number to the nearest 10: ______
- Estimate 45 − 71 by rounding each number to the nearest 10: ______
- Estimate 49 + 21 by rounding each number to the nearest 10: ______
- Estimate 61 + 44 by rounding each number to the nearest 10: ______
- Estimate 39 − 79 by rounding each number to the nearest 10: ______
- Estimate 26 + 29 by rounding each number to the nearest 10: ______
- Estimate 56 − 86 by rounding each number to the nearest 10: ______
- Estimate 75 − 48 by rounding each number to the nearest 10: ______
- Estimate 79 + 48 by rounding each number to the nearest 10: ______
- Estimate 80 − 51 by rounding each number to the nearest 10: ______
- Estimate 48 + 66 by rounding each number to the nearest 10: ______
- Estimate 37 + 70 by rounding each number to the nearest 10: ______
- Estimate 60 − 48 by rounding each number to the nearest 10: ______
- Estimate 34 + 24 by rounding each number to the nearest 10: ______
- Estimate 70 − 63 by rounding each number to the nearest 10: ______
- Estimate 67 − 74 by rounding each number to the nearest 10: ______
- Estimate 23 − 31 by rounding each number to the nearest 10: ______
- Estimate 71 − 53 by rounding each number to the nearest 10: ______
- Estimate 22 − 33 by rounding each number to the nearest 10: ______
- Estimate 78 − 82 by rounding each number to the nearest 10: ______