What 2 things do you always need to say to describe an enlargement?
How many times bigger you have make the shape
What does centre of enlargement mean?
The size of an enlargement is described by its scale factor.
What is a scale factor?
The scale factor of enlargement is how many times bigger a shape has been made
Explain how to work out the scale factor on a grid, and with no grid. Use diagrams you have screenshot from the myimaths lesson.
What happens to the angle sizes in the corner of the shape when you enlarge it?- all angles stay the same
- relative sizes are the same
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