Real-life maths. Game - Divided Islands; ... Example one. The platonic solids. ... A square-based pyramid has eight edges, 4 × 2 = 8. Image caption, ...

We also have KS1 Maths videos, a quiz and lots of examples. ... A square-based pyramid has 5 flat faces. It has 1 at the bottom, then 4 more that go up to a point at the top.