Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 47 + 49 by rounding each number to the nearest 10: ______
- Estimate 40 + 37 by rounding each number to the nearest 10: ______
- Estimate 42 + 39 by rounding each number to the nearest 10: ______
- Estimate 21 − 80 by rounding each number to the nearest 10: ______
- Estimate 48 − 54 by rounding each number to the nearest 10: ______
- Estimate 31 + 69 by rounding each number to the nearest 10: ______
- Estimate 28 − 46 by rounding each number to the nearest 10: ______
- Estimate 46 − 39 by rounding each number to the nearest 10: ______
- Estimate 80 − 36 by rounding each number to the nearest 10: ______
- Estimate 59 + 75 by rounding each number to the nearest 10: ______
- Estimate 66 + 42 by rounding each number to the nearest 10: ______
- Estimate 26 − 26 by rounding each number to the nearest 10: ______
- Estimate 28 − 35 by rounding each number to the nearest 10: ______
- Estimate 84 + 44 by rounding each number to the nearest 10: ______
- Estimate 39 − 55 by rounding each number to the nearest 10: ______
- Estimate 82 + 28 by rounding each number to the nearest 10: ______
- Estimate 46 + 42 by rounding each number to the nearest 10: ______
- Estimate 61 − 50 by rounding each number to the nearest 10: ______
- Estimate 63 + 26 by rounding each number to the nearest 10: ______
- Estimate 73 − 24 by rounding each number to the nearest 10: ______