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The transformation from shape \( A \) to shape \( B \) is an **enlargement**.

### Step-by-step breakdown:
1. **Enlargement Identification**: 
   Shape \( B \) is a smaller, similarly oriented version of shape \( A \), meaning that the transformation is indeed an enlargement (with a scale factor less than 1, which causes the reduction in size).

2. **Scale Factor**:
   To find the scale factor, you need to compare corresponding side lengths between \( A \) and \( B \). For example, if a side in \( A \) is twice as long as the corresponding side in \( B \), the scale factor would be \( \frac{1}{2} \).

   Upon inspection, it looks like the scale factor is:
   \[
   \text{Scale factor} = \frac{1}{2}
   \]
   
   This means shape \( B \) is half the size of shape \( A \).

3. **Centre of Enlargement**:
   The centre of enlargement can be found by drawing lines connecting corresponding points on shapes \( A \) and \( B \), and seeing where they intersect. Based on the diagram, the centre of enlargement appears to be the origin, \( (0, 0) \).

### Final Answer:
- **It is an**: Enlargement
- **Scale Factor**: \( \frac{1}{2} \)
- **Centre**: \( (0, 0) \)

Would you like more details on how the centre or scale factor is derived? 

Here are 5 related questions to deepen your understanding:
1. What is the geometric meaning of a scale factor less than 1 in an enlargement?
2. How would the transformation differ if the scale factor were greater than 1?
3. Can you find the coordinates of corresponding points in shapes \( A \) and \( B \)?
4. How does the centre of enlargement affect the direction of the transformation?
5. Can an enlargement ever reduce the size to exactly zero?

**Tip**: Always check the orientation of the shape in an enlargement—though sizes change, the orientation stays the same!

Describe the transformation from shape A to shape B on a coordinate grid.

Learn how to describe the enlargement transformation from shape A to shape B on a coordinate grid. This includes calculating the scale factor and identifying the centre of enlargement. Suitable for students in Grades 8-10.

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