Volume is the amount of space a 3D shape takes up. You can measure volume in cubic centimetres (cm³) or cubic metres (m³). A cubic centimetre block is a cube that has sides each measuring 1cm.

The net of a 3D shape is what it looks like if it is opened out flat. There are many types of nets for the different 3D shapes. A net is made from polygons that can be folded and joined to make a ...