Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 85 − 56 by rounding each number to the nearest 10: ______
- Estimate 76 − 73 by rounding each number to the nearest 10: ______
- Estimate 34 − 67 by rounding each number to the nearest 10: ______
- Estimate 51 − 21 by rounding each number to the nearest 10: ______
- Estimate 77 − 53 by rounding each number to the nearest 10: ______
- Estimate 82 + 81 by rounding each number to the nearest 10: ______
- Estimate 52 + 71 by rounding each number to the nearest 10: ______
- Estimate 85 − 69 by rounding each number to the nearest 10: ______
- Estimate 23 + 55 by rounding each number to the nearest 10: ______
- Estimate 86 + 61 by rounding each number to the nearest 10: ______
- Estimate 78 + 25 by rounding each number to the nearest 10: ______
- Estimate 39 − 21 by rounding each number to the nearest 10: ______
- Estimate 33 + 78 by rounding each number to the nearest 10: ______
- Estimate 21 − 54 by rounding each number to the nearest 10: ______
- Estimate 52 − 46 by rounding each number to the nearest 10: ______
- Estimate 60 − 70 by rounding each number to the nearest 10: ______
- Estimate 55 − 39 by rounding each number to the nearest 10: ______
- Estimate 28 + 25 by rounding each number to the nearest 10: ______
- Estimate 57 + 34 by rounding each number to the nearest 10: ______
- Estimate 69 + 35 by rounding each number to the nearest 10: ______