Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 75 − 49 by rounding each number to the nearest 10: ______
- Estimate 24 − 25 by rounding each number to the nearest 10: ______
- Estimate 71 − 86 by rounding each number to the nearest 10: ______
- Estimate 78 + 74 by rounding each number to the nearest 10: ______
- Estimate 61 + 40 by rounding each number to the nearest 10: ______
- Estimate 68 + 60 by rounding each number to the nearest 10: ______
- Estimate 78 + 40 by rounding each number to the nearest 10: ______
- Estimate 74 − 52 by rounding each number to the nearest 10: ______
- Estimate 32 − 40 by rounding each number to the nearest 10: ______
- Estimate 49 + 21 by rounding each number to the nearest 10: ______
- Estimate 25 − 24 by rounding each number to the nearest 10: ______
- Estimate 77 − 26 by rounding each number to the nearest 10: ______
- Estimate 86 − 58 by rounding each number to the nearest 10: ______
- Estimate 58 + 29 by rounding each number to the nearest 10: ______
- Estimate 26 + 56 by rounding each number to the nearest 10: ______
- Estimate 27 + 63 by rounding each number to the nearest 10: ______
- Estimate 35 + 77 by rounding each number to the nearest 10: ______
- Estimate 22 + 70 by rounding each number to the nearest 10: ______
- Estimate 85 − 70 by rounding each number to the nearest 10: ______
- Estimate 69 + 72 by rounding each number to the nearest 10: ______