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The image shows a problem where you are asked to estimate the answer to the subtraction \(7,028 - 2,740\).

### Breakdown:
- The problem involves rounding the numbers to the nearest thousand before performing the subtraction.
- \(7,028\) is rounded to \(7,000\).
- \(2,740\) is rounded to \(3,000\).

So, the subtraction would be:
\[
7,000 - 3,000 = 4,000
\]

However, the image shows that the estimation given is \( \approx 10,000 \), which seems to be an error in the example.

The correct estimation should be around \(4,000\), not \(10,000\).

Would you like more details on this, or do you have any questions?

### Related Questions:
1. How do you determine the rounding rules for estimating subtraction?
2. Why is it important to estimate before calculating the exact answer?
3. What would the exact result of \(7,028 - 2,740\) be without estimation?
4. How does estimation help in checking the reasonableness of an answer?
5. Can you think of a scenario where an overestimation like \(10,000\) could affect decision-making?

### Tip:
When estimating, always make sure the rounded numbers make sense in context and compare the result with the exact answer if possible.

Learn how to estimate the difference between 7,028 and 2,740 by rounding to the nearest thousand and performing subtraction. This problem demonstrates estimation techniques suitable for students in Grades 4-6.

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