Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 83 − 55 by rounding each number to the nearest 10: ______
- Estimate 25 + 87 by rounding each number to the nearest 10: ______
- Estimate 61 + 31 by rounding each number to the nearest 10: ______
- Estimate 41 − 74 by rounding each number to the nearest 10: ______
- Estimate 61 + 70 by rounding each number to the nearest 10: ______
- Estimate 37 + 74 by rounding each number to the nearest 10: ______
- Estimate 29 + 33 by rounding each number to the nearest 10: ______
- Estimate 52 − 87 by rounding each number to the nearest 10: ______
- Estimate 22 − 48 by rounding each number to the nearest 10: ______
- Estimate 82 + 45 by rounding each number to the nearest 10: ______
- Estimate 67 − 68 by rounding each number to the nearest 10: ______
- Estimate 77 − 66 by rounding each number to the nearest 10: ______
- Estimate 79 + 61 by rounding each number to the nearest 10: ______
- Estimate 71 − 76 by rounding each number to the nearest 10: ______
- Estimate 85 + 28 by rounding each number to the nearest 10: ______
- Estimate 45 − 87 by rounding each number to the nearest 10: ______
- Estimate 73 + 54 by rounding each number to the nearest 10: ______
- Estimate 82 + 74 by rounding each number to the nearest 10: ______
- Estimate 80 + 61 by rounding each number to the nearest 10: ______
- Estimate 39 + 85 by rounding each number to the nearest 10: ______