Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 85 + 81 by rounding each number to the nearest 10: ______
- Estimate 28 + 26 by rounding each number to the nearest 10: ______
- Estimate 52 + 38 by rounding each number to the nearest 10: ______
- Estimate 81 − 38 by rounding each number to the nearest 10: ______
- Estimate 73 + 82 by rounding each number to the nearest 10: ______
- Estimate 84 − 88 by rounding each number to the nearest 10: ______
- Estimate 48 − 86 by rounding each number to the nearest 10: ______
- Estimate 69 − 58 by rounding each number to the nearest 10: ______
- Estimate 46 − 21 by rounding each number to the nearest 10: ______
- Estimate 86 − 61 by rounding each number to the nearest 10: ______
- Estimate 83 + 67 by rounding each number to the nearest 10: ______
- Estimate 38 + 26 by rounding each number to the nearest 10: ______
- Estimate 53 + 79 by rounding each number to the nearest 10: ______
- Estimate 52 − 60 by rounding each number to the nearest 10: ______
- Estimate 69 + 25 by rounding each number to the nearest 10: ______
- Estimate 46 − 27 by rounding each number to the nearest 10: ______
- Estimate 55 + 73 by rounding each number to the nearest 10: ______
- Estimate 80 + 76 by rounding each number to the nearest 10: ______
- Estimate 57 − 64 by rounding each number to the nearest 10: ______
- Estimate 25 + 22 by rounding each number to the nearest 10: ______