Shape names like triangle, circle and cube can help to identify geometric shapes, but to really understand these, children need to explore a variety of irregular and ‘nearly’ examples. These might ...

Triangles, pentagons, hexagons, any shape. And a circle becomes a sphere with just ... The base of this shape is a square, which we know from its name. The other four faces are all triangles.

like a circle in the centre of a flower. Other times you can see shapes, but you might not know the names. If you don’t know the name of a shape, you can use words to describe their properties.