Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 24 + 75 by rounding each number to the nearest 10: ______
- Estimate 85 + 27 by rounding each number to the nearest 10: ______
- Estimate 42 + 61 by rounding each number to the nearest 10: ______
- Estimate 30 + 27 by rounding each number to the nearest 10: ______
- Estimate 25 − 89 by rounding each number to the nearest 10: ______
- Estimate 74 − 49 by rounding each number to the nearest 10: ______
- Estimate 42 − 70 by rounding each number to the nearest 10: ______
- Estimate 75 + 29 by rounding each number to the nearest 10: ______
- Estimate 71 + 86 by rounding each number to the nearest 10: ______
- Estimate 54 + 53 by rounding each number to the nearest 10: ______
- Estimate 31 − 34 by rounding each number to the nearest 10: ______
- Estimate 56 − 25 by rounding each number to the nearest 10: ______
- Estimate 49 − 56 by rounding each number to the nearest 10: ______
- Estimate 36 + 61 by rounding each number to the nearest 10: ______
- Estimate 72 − 62 by rounding each number to the nearest 10: ______
- Estimate 52 + 45 by rounding each number to the nearest 10: ______
- Estimate 22 − 46 by rounding each number to the nearest 10: ______
- Estimate 24 − 54 by rounding each number to the nearest 10: ______
- Estimate 40 + 49 by rounding each number to the nearest 10: ______
- Estimate 82 + 63 by rounding each number to the nearest 10: ______