Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 60 − 45 by rounding each number to the nearest 10: ______
- Estimate 66 + 28 by rounding each number to the nearest 10: ______
- Estimate 85 − 56 by rounding each number to the nearest 10: ______
- Estimate 40 + 24 by rounding each number to the nearest 10: ______
- Estimate 23 + 32 by rounding each number to the nearest 10: ______
- Estimate 65 − 52 by rounding each number to the nearest 10: ______
- Estimate 60 − 22 by rounding each number to the nearest 10: ______
- Estimate 36 + 68 by rounding each number to the nearest 10: ______
- Estimate 61 − 71 by rounding each number to the nearest 10: ______
- Estimate 42 + 41 by rounding each number to the nearest 10: ______
- Estimate 23 − 35 by rounding each number to the nearest 10: ______
- Estimate 81 − 22 by rounding each number to the nearest 10: ______
- Estimate 81 − 47 by rounding each number to the nearest 10: ______
- Estimate 73 + 53 by rounding each number to the nearest 10: ______
- Estimate 43 + 24 by rounding each number to the nearest 10: ______
- Estimate 63 − 65 by rounding each number to the nearest 10: ______
- Estimate 70 + 66 by rounding each number to the nearest 10: ______
- Estimate 57 − 50 by rounding each number to the nearest 10: ______
- Estimate 78 − 81 by rounding each number to the nearest 10: ______
- Estimate 85 + 81 by rounding each number to the nearest 10: ______