Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 70 − 74 by rounding each number to the nearest 10: ______
- Estimate 45 − 82 by rounding each number to the nearest 10: ______
- Estimate 39 + 85 by rounding each number to the nearest 10: ______
- Estimate 55 + 68 by rounding each number to the nearest 10: ______
- Estimate 87 + 75 by rounding each number to the nearest 10: ______
- Estimate 62 + 73 by rounding each number to the nearest 10: ______
- Estimate 38 − 60 by rounding each number to the nearest 10: ______
- Estimate 34 − 50 by rounding each number to the nearest 10: ______
- Estimate 70 + 22 by rounding each number to the nearest 10: ______
- Estimate 26 + 75 by rounding each number to the nearest 10: ______
- Estimate 23 + 82 by rounding each number to the nearest 10: ______
- Estimate 56 − 79 by rounding each number to the nearest 10: ______
- Estimate 21 + 82 by rounding each number to the nearest 10: ______
- Estimate 65 + 87 by rounding each number to the nearest 10: ______
- Estimate 51 + 53 by rounding each number to the nearest 10: ______
- Estimate 40 + 41 by rounding each number to the nearest 10: ______
- Estimate 85 + 68 by rounding each number to the nearest 10: ______
- Estimate 43 − 67 by rounding each number to the nearest 10: ______
- Estimate 65 − 54 by rounding each number to the nearest 10: ______
- Estimate 44 + 21 by rounding each number to the nearest 10: ______