An apex is a flat or curved surface of the 3-D shape.

An apex is the corner where edges of the 3-D shape meet.

An apex is the vertex at the top of the shape.

1. What is the definition of the 'apex' of a 3-D shape?

A square-based pyramid has 5 faces whereas a triangular-based pyramid has 4 faces.

A square-based pyramid has 6 faces whereas a triangular-based pyramid has 5 faces.

A square-based pyramid has an apex whereas a triangular-based pyramid does not have an apex.

A square-based pyramid has one curved face whereas a triangular-based pyramid only has flat faces.

What is the difference between a square-based pyramid and a triangular-based pyramid?

A sphere has 1 face, no edges and no vertices.

A sphere has no faces, 1 edge, and no vertices.

A sphere has no faces, no edges and 1 vertex.

A sphere has no faces, no edges and no vertices.

Which of the following 3-D shapes has more faces than vertices?

Which of the following 3-D shapes has faces which are always the same shape?

Key Stage 2

Identifying the properties of constructed 3-D shapes

Both shapes have at least two faces which are triangles.

What is similar about triangular-based pyramids and triangular prisms?

Both shapes have at least some rectangular faces.

Both shapes have at least some triangular faces.

What is similar about triangular prisms and cuboids?

How many vertices does a square-based pyramid have?

What are the properties of a hexagonal prism?