Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 85 − 78 by rounding each number to the nearest 10: ______
- Estimate 28 − 60 by rounding each number to the nearest 10: ______
- Estimate 51 − 64 by rounding each number to the nearest 10: ______
- Estimate 24 − 35 by rounding each number to the nearest 10: ______
- Estimate 32 + 40 by rounding each number to the nearest 10: ______
- Estimate 78 − 33 by rounding each number to the nearest 10: ______
- Estimate 26 + 26 by rounding each number to the nearest 10: ______
- Estimate 30 + 46 by rounding each number to the nearest 10: ______
- Estimate 85 + 64 by rounding each number to the nearest 10: ______
- Estimate 24 + 89 by rounding each number to the nearest 10: ______
- Estimate 77 + 88 by rounding each number to the nearest 10: ______
- Estimate 84 − 26 by rounding each number to the nearest 10: ______
- Estimate 74 + 51 by rounding each number to the nearest 10: ______
- Estimate 39 − 84 by rounding each number to the nearest 10: ______
- Estimate 28 + 61 by rounding each number to the nearest 10: ______
- Estimate 85 + 33 by rounding each number to the nearest 10: ______
- Estimate 84 − 31 by rounding each number to the nearest 10: ______
- Estimate 86 + 38 by rounding each number to the nearest 10: ______
- Estimate 66 + 69 by rounding each number to the nearest 10: ______
- Estimate 89 + 89 by rounding each number to the nearest 10: ______