Key Stage 3 Maths - Lesson Objectives, Keywords and Resources - Year 9 - Shape, Space and Measures
To be able to:
- Enlarge 2-D shapes, given a centre of enlargement and a whole-number, a fractional or a negative scale factor.
- Identify the scale factor of an enlargement as the ratio of the lengths of any two corresponding line segments.
- Recognise that enlargements preserve angle but not length, and understand the implications of enlargement for perimeter.
object, image, centre of enlargement, scale factor, negative enlargement, negative scale factor, fractional scale factor.