KS2 Maths: 2D Shapes with Radzi. video KS2 Maths: 2D Shapes with Radzi. CBBC's Radzi Chinyanganya brings 2D shapes to life for any class ready to move and learn. In this song and movement routine ...

Some 3D shapes, like cubes and pyramids, can be opened or unfolded along their edges to create a flat shape. The unfolded shape is called the net of the solid. Here are some 3D shapes and their nets.