Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 39 − 51 by rounding each number to the nearest 10: ______
- Estimate 29 − 30 by rounding each number to the nearest 10: ______
- Estimate 50 − 40 by rounding each number to the nearest 10: ______
- Estimate 83 − 61 by rounding each number to the nearest 10: ______
- Estimate 26 + 35 by rounding each number to the nearest 10: ______
- Estimate 37 + 40 by rounding each number to the nearest 10: ______
- Estimate 80 + 24 by rounding each number to the nearest 10: ______
- Estimate 86 − 58 by rounding each number to the nearest 10: ______
- Estimate 63 − 83 by rounding each number to the nearest 10: ______
- Estimate 87 + 78 by rounding each number to the nearest 10: ______
- Estimate 78 − 32 by rounding each number to the nearest 10: ______
- Estimate 67 − 58 by rounding each number to the nearest 10: ______
- Estimate 42 + 84 by rounding each number to the nearest 10: ______
- Estimate 69 + 55 by rounding each number to the nearest 10: ______
- Estimate 61 + 85 by rounding each number to the nearest 10: ______
- Estimate 75 + 56 by rounding each number to the nearest 10: ______
- Estimate 53 − 65 by rounding each number to the nearest 10: ______
- Estimate 89 + 35 by rounding each number to the nearest 10: ______
- Estimate 49 + 61 by rounding each number to the nearest 10: ______
- Estimate 85 + 46 by rounding each number to the nearest 10: ______