Students learn about 3D shapes and prisms using their cross section, faces, vertices and number of edges. More able students are challenged to sketch the solids using perspective drawings. Less able students learn how to describe a shape using its special features.

At the start of the lesson students learn about prisms and how to spot a cross section. In the main part they go on to count the number of faces, vertices and edges different solids can have. The end of the lesson challenges students to imagine how the properties of a cube have changed when two of its vertices are removed.

**Differentiated Learning Objectives**

- All students should be able to name and describe the properties of a 3D shape.
- Most students should be able to understand the key features of a prism and describe a 3D shape using its geometrical properties.
- Some students should be able to identify a 3D shape using its geometrical features.