To create a visual model for the expression \(-3 + 4\), we can use a number line or a simple bar model.

### Number Line Model
1. **Start at 0**: Place a point at zero on a number line.
2. **Move Left for -3**: From 0, move 3 units to the left to represent \(-3\).
3. **Move Right for +4**: From \(-3\), move 4 units to the right.

### Result
- Starting at \(-3\), moving 4 units to the right lands you at \(1\).

### Bar Model
1. **Draw a bar of length 3**: This represents \(-3\).
2. **Draw a longer bar of length 4**: This represents \(+4\).
3. **Combine the two**: The negative bar indicates a loss of 3, while the positive bar indicates a gain of 4.

### Conclusion
Both models demonstrate that \(-3 + 4 = 1\).

Would you like more details or have any questions? Here are some related questions you might consider:

1. How does the number line illustrate addition and subtraction?
2. What are other ways to visualize negative and positive numbers?
3. Can you explain how to solve similar expressions?
4. What is the significance of negative numbers in real-world contexts?
5. How does this model apply to more complex expressions? 

**Tip**: Always visualize mathematical operations to enhance understanding and retention!

Explore how to create a visual model for the expression -3 + 4 using a number line and bar model. This page covers key concepts in arithmetic and visual representations suitable for students in Grades 4-6.

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