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The problem asks to match each subtraction expression with its equivalent addition expression by using the concept of "adding the opposite." Let's analyze the given expressions:

### Subtraction Expressions:
1. \(-9 - 6\)
2. \(-3 - (-1)\)
3. \(-4 - (-7)\)
4. \(2 - (-6)\)

### Equivalent Addition Expressions:
- \(-9 + (-6)\)
- \(-3 + 1\)
- \(-4 + 7\)
- \(2 + 6\)

To convert subtraction expressions to equivalent addition expressions, we use the rule:
\[
a - b = a + (-b)
\]

### Matching:
1. **\(-9 - 6\)**
   - Convert to addition: \(-9 + (-6)\)

2. **\(-3 - (-1)\)**
   - Convert to addition: \(-3 + 1\)

3. **\(-4 - (-7)\)**
   - Convert to addition: \(-4 + 7\)

4. **\(2 - (-6)\)**
   - Convert to addition: \(2 + 6\)

### Final Matching:
- \(-9 - 6\) ➔ \(-9 + (-6)\)
- \(-3 - (-1)\) ➔ \(-3 + 1\)
- \(-4 - (-7)\) ➔ \(-4 + 7\)
- \(2 - (-6)\) ➔ \(2 + 6\)

Would you like a deeper explanation of this concept, or do you have any specific questions?

Here are 5 related questions to practice:
1. What is the equivalent addition expression for \(5 - (-3)\)?
2. How do you convert \(0 - 8\) to an addition expression?
3. If you have \(-10 - (-5)\), what would it look like as an addition problem?
4. What does subtracting a negative number mean in terms of addition?
5. How would you explain "adding the opposite" to a friend?

**Tip:** Remember, subtracting a number is the same as adding its opposite.

Match each subtraction expression to its equivalent addition expression.

Learn how to convert subtraction expressions into equivalent addition expressions using the concept of 'adding the opposite.' This problem helps students practice integer operations, making it suitable for Grades 6-8.

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