Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 45 + 41 by rounding each number to the nearest 10: ______
- Estimate 24 − 55 by rounding each number to the nearest 10: ______
- Estimate 67 + 64 by rounding each number to the nearest 10: ______
- Estimate 46 + 24 by rounding each number to the nearest 10: ______
- Estimate 54 + 82 by rounding each number to the nearest 10: ______
- Estimate 29 + 53 by rounding each number to the nearest 10: ______
- Estimate 79 + 87 by rounding each number to the nearest 10: ______
- Estimate 58 + 26 by rounding each number to the nearest 10: ______
- Estimate 87 − 61 by rounding each number to the nearest 10: ______
- Estimate 88 − 68 by rounding each number to the nearest 10: ______
- Estimate 81 − 49 by rounding each number to the nearest 10: ______
- Estimate 27 + 36 by rounding each number to the nearest 10: ______
- Estimate 68 − 42 by rounding each number to the nearest 10: ______
- Estimate 28 − 85 by rounding each number to the nearest 10: ______
- Estimate 28 + 26 by rounding each number to the nearest 10: ______
- Estimate 54 + 22 by rounding each number to the nearest 10: ______
- Estimate 79 + 46 by rounding each number to the nearest 10: ______
- Estimate 24 − 34 by rounding each number to the nearest 10: ______
- Estimate 51 − 40 by rounding each number to the nearest 10: ______
- Estimate 21 − 21 by rounding each number to the nearest 10: ______