Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 28 − 75 by rounding each number to the nearest 10: ______
- Estimate 23 − 21 by rounding each number to the nearest 10: ______
- Estimate 48 − 34 by rounding each number to the nearest 10: ______
- Estimate 41 − 28 by rounding each number to the nearest 10: ______
- Estimate 35 + 34 by rounding each number to the nearest 10: ______
- Estimate 55 − 77 by rounding each number to the nearest 10: ______
- Estimate 26 + 38 by rounding each number to the nearest 10: ______
- Estimate 48 − 79 by rounding each number to the nearest 10: ______
- Estimate 66 − 57 by rounding each number to the nearest 10: ______
- Estimate 46 − 28 by rounding each number to the nearest 10: ______
- Estimate 55 − 58 by rounding each number to the nearest 10: ______
- Estimate 79 + 78 by rounding each number to the nearest 10: ______
- Estimate 83 + 28 by rounding each number to the nearest 10: ______
- Estimate 84 − 81 by rounding each number to the nearest 10: ______
- Estimate 24 − 32 by rounding each number to the nearest 10: ______
- Estimate 60 + 24 by rounding each number to the nearest 10: ______
- Estimate 28 − 73 by rounding each number to the nearest 10: ______
- Estimate 82 + 69 by rounding each number to the nearest 10: ______
- Estimate 89 − 49 by rounding each number to the nearest 10: ______
- Estimate 53 − 65 by rounding each number to the nearest 10: ______