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Area and Volume​​​​​​​


– Perimeter and area

– Units and accuracy

– Prisms

– Circles

– Sectors of circles

– Cylinders and spheres

– Pyramids, cones and spheres

Example Key Words

Surface Area

The sum of the areas of all faces of a solid figure


A 3D shape that has the same cross sectional throughout the length of the shape.

Circumference of a Circle

The perimeter of a circle.

Radius and Diameter of a Circle

The radius is a straight line from the centre to the circumference. The diameter goes from one side of the circle to the other passing through the centre.

Sector of a Circle

Segment of a Circle