2. www.numeracysoftware.com
Cuboid
Key Feature
Six faces which are all rectangles.
Faces 6
Corners 8
Edges 12
Planes of Symmetry?
If the cuboid has no square faces then it has ... three.
If two opposite faces are square then it has ... five.
Is a Cuboid a Prism?
Yes, because it has a rectangular cross-section throughout
its length.
3. www.numeracysoftware.com
Cube
Key Feature
Six faces which are all squares.
Faces 6
Corners 8
Edges 12
Planes of Symmetry?
Nine
Is a Cube a Prism?
Yes, because it has a square cross-section throughout its
length.
4. www.numeracysoftware.com
Prism
Key Feature
The shape of its cross-section is the
same throughout its length.
Faces, Corners, Edges?
It depends what sort of prism it is.
Planes of Symmetry?
It depends what sort of prism it is.
Examples of prisms include triangular prism, hexagonal prism,
cuboid, cube and cylinder.
5. www.numeracysoftware.com
Triangular Prism
Key Feature
A prism with a triangular cross-section.
Faces 5
Corners 6
Edges 9
Planes of Symmetry?
If the triangle is equilateral then it has ... four.
If the triangle is isosceles then it has ... two.
If the triangle is scalene then it has ... one.
6. www.numeracysoftware.com
Hexagonal Prism
Key Feature
A prism with a hexagonal
cross-section.
Faces 8
Corners 12
Edges 18
Planes of Symmetry?
If it’s a regular hexagon then it has
seven.
7. www.numeracysoftware.com
Cylinder
Key Feature
A prism with a circular cross-section.
Faces, Corners and Edges
The normal definitions of faces,
corners and edges are not
appropriate for a cylinder.
Planes of Symmetry?
Infinite
8. www.numeracysoftware.com
Cone
Key Feature
The point of the cone is directly
above the centre of the circular
base.
Faces, Corners and Edges
The normal definitions of faces,
corners and edges are not
appropriate for a cone.
Planes of Symmetry?
Infinite
9. www.numeracysoftware.com
Sphere
Key Feature
Every point on the surface of the
sphere is the same distance
from the centre.
Faces, Edges and Corners
The normal definitions of faces, corners and edges are not
appropriate for a sphere
Planes of Symmetry?
Infinite
10. www.numeracysoftware.com
Square-Based Pyramid
Key Feature Faces 5
A shape with a square base and Corners 5
triangular sides that meet at a point.
Edges 8
Planes of Symmetry?
Four
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Tetrahedron
Key Feature
Four faces which are all equilateral
triangles.
Faces 4
Corners 4
Edges 6
Planes of Symmetry?
Six
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Octahedron
Key Feature
Eight faces which are all equilateral
triangles.
Faces 8
Corners 6
Edges 12
Planes of Symmetry?
Nine
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Dodecahedron
Key Feature
Twelve faces which are all regular
pentagons.
Faces 12
Corners 20
Edges 30
Planes of Symmetry?
Fifteen
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Icosahedron
Key Feature
Twenty faces which are all
equilateral triangles.
Faces 20
Corners 12
Edges 30
Planes of Symmetry?
Fifteen
