Students learn how to identify the planes of symmetry in 3D shapes. Learning progresses from sketching the planes of symmetry for a cube and cuboid to constructing scale drawings of prisms on isometric paper.

The start of the lesson recaps the properties of 3D shapes for a composite solid. The plenary challenges students to consider shapes with an infinite number of planes of symmetry.

**Differentiated Learning Objectives**

- All students should be able to identify the planes of symmetry in a cube.
- Most students should be able to identify the planes of symmetry in a solid shape using isometric paper.
- Some students should be able to identify and sketch the planes of symmetry for any solid.

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