Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 61 − 41 by rounding each number to the nearest 10: ______
- Estimate 53 + 22 by rounding each number to the nearest 10: ______
- Estimate 59 + 35 by rounding each number to the nearest 10: ______
- Estimate 53 − 69 by rounding each number to the nearest 10: ______
- Estimate 85 + 47 by rounding each number to the nearest 10: ______
- Estimate 60 − 85 by rounding each number to the nearest 10: ______
- Estimate 78 − 56 by rounding each number to the nearest 10: ______
- Estimate 89 − 46 by rounding each number to the nearest 10: ______
- Estimate 67 − 85 by rounding each number to the nearest 10: ______
- Estimate 63 + 44 by rounding each number to the nearest 10: ______
- Estimate 38 − 21 by rounding each number to the nearest 10: ______
- Estimate 53 + 32 by rounding each number to the nearest 10: ______
- Estimate 68 − 44 by rounding each number to the nearest 10: ______
- Estimate 28 + 68 by rounding each number to the nearest 10: ______
- Estimate 30 + 29 by rounding each number to the nearest 10: ______
- Estimate 71 − 35 by rounding each number to the nearest 10: ______
- Estimate 47 + 78 by rounding each number to the nearest 10: ______
- Estimate 67 − 36 by rounding each number to the nearest 10: ______
- Estimate 45 + 42 by rounding each number to the nearest 10: ______
- Estimate 84 − 62 by rounding each number to the nearest 10: ______