Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 67 + 70 by rounding each number to the nearest 10: ______
- Estimate 57 + 51 by rounding each number to the nearest 10: ______
- Estimate 23 − 47 by rounding each number to the nearest 10: ______
- Estimate 70 + 66 by rounding each number to the nearest 10: ______
- Estimate 78 − 61 by rounding each number to the nearest 10: ______
- Estimate 48 − 55 by rounding each number to the nearest 10: ______
- Estimate 73 + 87 by rounding each number to the nearest 10: ______
- Estimate 28 + 82 by rounding each number to the nearest 10: ______
- Estimate 87 − 23 by rounding each number to the nearest 10: ______
- Estimate 48 + 51 by rounding each number to the nearest 10: ______
- Estimate 26 − 58 by rounding each number to the nearest 10: ______
- Estimate 40 − 30 by rounding each number to the nearest 10: ______
- Estimate 67 − 81 by rounding each number to the nearest 10: ______
- Estimate 53 − 42 by rounding each number to the nearest 10: ______
- Estimate 28 − 31 by rounding each number to the nearest 10: ______
- Estimate 72 − 57 by rounding each number to the nearest 10: ______
- Estimate 64 + 31 by rounding each number to the nearest 10: ______
- Estimate 42 + 73 by rounding each number to the nearest 10: ______
- Estimate 41 − 78 by rounding each number to the nearest 10: ______
- Estimate 89 + 60 by rounding each number to the nearest 10: ______