Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 88 + 48 by rounding each number to the nearest 10: ______
- Estimate 30 + 69 by rounding each number to the nearest 10: ______
- Estimate 61 − 21 by rounding each number to the nearest 10: ______
- Estimate 59 − 80 by rounding each number to the nearest 10: ______
- Estimate 50 + 49 by rounding each number to the nearest 10: ______
- Estimate 60 − 72 by rounding each number to the nearest 10: ______
- Estimate 30 + 87 by rounding each number to the nearest 10: ______
- Estimate 64 + 48 by rounding each number to the nearest 10: ______
- Estimate 39 + 82 by rounding each number to the nearest 10: ______
- Estimate 28 + 57 by rounding each number to the nearest 10: ______
- Estimate 21 + 22 by rounding each number to the nearest 10: ______
- Estimate 31 − 89 by rounding each number to the nearest 10: ______
- Estimate 80 + 64 by rounding each number to the nearest 10: ______
- Estimate 36 − 39 by rounding each number to the nearest 10: ______
- Estimate 21 − 53 by rounding each number to the nearest 10: ______
- Estimate 82 − 78 by rounding each number to the nearest 10: ______
- Estimate 53 − 55 by rounding each number to the nearest 10: ______
- Estimate 47 − 69 by rounding each number to the nearest 10: ______
- Estimate 36 − 56 by rounding each number to the nearest 10: ______
- Estimate 59 − 63 by rounding each number to the nearest 10: ______