Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 85 + 27 by rounding each number to the nearest 10: ______
- Estimate 61 + 77 by rounding each number to the nearest 10: ______
- Estimate 31 − 78 by rounding each number to the nearest 10: ______
- Estimate 46 + 23 by rounding each number to the nearest 10: ______
- Estimate 80 + 87 by rounding each number to the nearest 10: ______
- Estimate 27 − 73 by rounding each number to the nearest 10: ______
- Estimate 43 + 81 by rounding each number to the nearest 10: ______
- Estimate 54 − 81 by rounding each number to the nearest 10: ______
- Estimate 85 + 28 by rounding each number to the nearest 10: ______
- Estimate 34 − 78 by rounding each number to the nearest 10: ______
- Estimate 37 − 51 by rounding each number to the nearest 10: ______
- Estimate 37 + 57 by rounding each number to the nearest 10: ______
- Estimate 29 + 38 by rounding each number to the nearest 10: ______
- Estimate 28 + 38 by rounding each number to the nearest 10: ______
- Estimate 80 − 48 by rounding each number to the nearest 10: ______
- Estimate 85 + 68 by rounding each number to the nearest 10: ______
- Estimate 53 − 29 by rounding each number to the nearest 10: ______
- Estimate 41 + 85 by rounding each number to the nearest 10: ______
- Estimate 52 + 69 by rounding each number to the nearest 10: ______
- Estimate 26 − 62 by rounding each number to the nearest 10: ______