’KS2 Maths for Pupils’ introduces the properties of two-dimensional three and four sided shapes.
In the case of ‘the disappearing shapes’, an animated sequence looks at how the world would be without four sided shapes.
’Getting into shape’ investigate More…s how implicit shapes can be abstracted from everyday shapes. A sequence at the 'shape gym' explores the properties of triangles and quadrilaterals.
’Shapes within shapes’ expands on the properties of shapes after the disappearance of the four sided shapes when triangles are filling the gaps that have been left.