https://file.aiquickdraw.com/mathbot/file/17280809032733u2j3d7s.jpg

To solve the problem "Find the diagram that represents the difference of 2.5 and -3.5," let's break down the calculation:

The difference between 2.5 and -3.5 can be written as:
\[
2.5 - (-3.5)
\]
This simplifies to:
\[
2.5 + 3.5 = 6
\]

The diagram representing the difference will show a distance of 6 units on the number line, moving from -3.5 to 2.5.

### Analyzing the Diagrams:

1. **First Diagram**: It shows an arrow pointing from -3.5 to 2.5, a distance of 6 units. This is the correct diagram.
2. **Second Diagram**: The arrow points in the reverse direction, from 2.5 to -3.5, which represents a negative difference.
3. **Third Diagram**: The diagram involves a different range of numbers, and the arrow starts at -2.5, so it's not correct.
4. **Fourth Diagram**: It also involves a reverse direction and a different number range, so it's not correct either.

### Correct Answer:
The **first diagram** is the correct representation because it shows the distance of 6 units from -3.5 to 2.5.

Would you like more details or further explanation?

### Related Questions:
1. How do you calculate differences on a number line?
2. What does adding the opposite of a number mean geometrically?
3. How do we visually represent positive and negative differences?
4. How would the diagram look if the numbers were different, say 4 and -2?
5. How can we check our work when subtracting negative numbers?

**Tip:** When subtracting a negative number, remember that it's the same as adding the positive version of that number.

Find the diagram that represents the difference of 2.5 and -3.5.

This problem illustrates the difference between 2.5 and -3.5 on a number line. Learn how to represent this difference visually, and understand the concept of subtracting negative numbers. Suitable for students in Grades 6-8.

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