Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 40 + 46 by rounding each number to the nearest 10: ______
- Estimate 53 − 77 by rounding each number to the nearest 10: ______
- Estimate 21 − 38 by rounding each number to the nearest 10: ______
- Estimate 85 + 70 by rounding each number to the nearest 10: ______
- Estimate 49 − 39 by rounding each number to the nearest 10: ______
- Estimate 73 − 25 by rounding each number to the nearest 10: ______
- Estimate 38 + 31 by rounding each number to the nearest 10: ______
- Estimate 60 − 73 by rounding each number to the nearest 10: ______
- Estimate 38 + 51 by rounding each number to the nearest 10: ______
- Estimate 39 + 47 by rounding each number to the nearest 10: ______
- Estimate 34 − 48 by rounding each number to the nearest 10: ______
- Estimate 32 − 25 by rounding each number to the nearest 10: ______
- Estimate 53 + 66 by rounding each number to the nearest 10: ______
- Estimate 78 + 74 by rounding each number to the nearest 10: ______
- Estimate 67 − 67 by rounding each number to the nearest 10: ______
- Estimate 51 − 30 by rounding each number to the nearest 10: ______
- Estimate 69 + 35 by rounding each number to the nearest 10: ______
- Estimate 40 + 63 by rounding each number to the nearest 10: ______
- Estimate 61 + 27 by rounding each number to the nearest 10: ______
- Estimate 30 + 57 by rounding each number to the nearest 10: ______