# Describe and name 3d shapes – prisms and pyramids

I can recognise and name pyramids and prisms and describe their properties.

# Describe and name 3d shapes – prisms and pyramids

I can recognise and name pyramids and prisms and describe their properties.

## Lesson details

### Key learning points

- A prism is a 3D shape that has identical opposite polygon faces at each end which are joined by rectangular faces.
- A pyramid is a 3D shape that has a base and an apex at the opposite end to the base.
- A prism always has two opposite, identical polygon faces. A prism can be named after its identical polygon faces.
- A pyramid has a polygon as its base, which is the face opposite the apex. A pyramid can be named after its base.

### Common misconception

Children may find it difficult to name the shape of the faces that cannot be seen in drawings of 3D shapes.

Provide 3D shapes for children to handle alongside the drawings. Encourage them to visualise the shape rotating to help them identify and describe each face of the shape.

### Keywords

Prism - A 3D shape that has two opposite, identical polygon faces, joined by rectangular faces.

Pyramid - A 3D shape that has a base and an apex at the opposite end to the base, joined by triangular faces.

### Licence

This content is © Oak National Academy Limited (2024), licensed on Open Government Licence version 3.0 except where otherwise stated. See Oak's terms & conditions (Collection 2).

## Video

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## Starter quiz

### 6 Questions

one circular face and one vertex

six square faces

no faces and no vertices

a face

a vertex

a curved surface

is a face.

is a vertex.

is an edge.

cylinder

sphere

cuboid

cone

6 rectangular faces, 8 vertices and 12 edges

two circular faces, no vertices and no edges

one circular face and one vertex

## Exit quiz

### 6 Questions

apex

base

triangular face

triangular-based pyramid

square-based pyramid

hexagonal-based pyramid

has some triangular faces that meet at an apex

has two opposite, identical polygon faces