Foundation and Higher · 3D shapes

Faces, edges,
vertices. Count
every one.

include the ones
you cannot see

the three parts of a solid —

F · E · V

faces, edges, vertices

surfaces, lines, corners

card 1 of 6

Face

A flat surface of a 3D shape.

a cube has 6 faces

card 2 of 6

Edge

A line where two faces meet.

a cube has 12 edges

card 3 of 6

Vertex

A corner, where edges meet. Plural: vertices.

a cube has 8 vertices

card 4 of 6

Prism

The same cross-section all the way through.

triangular prism: 5, 9, 6

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Pyramid

A base, with triangles meeting at a point.

square-based: 5, 8, 5

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Curved surfaces

A cylinder has 2 flat faces. A cone has 1. A sphere has none.

curved surfaces are not faces

faces, edges, vertices —

Face

a flat surface

Edge

where two faces meet

Vertex

a corner

Check: faces + vertices
= edges + 2.

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