Make a cube out of straws and have a go at this practical
Reasoning about the number of matches needed to build squares that
share their sides.
How can the same pieces of the tangram make this bowl before and after it was chipped? Use the interactivity to try and work out what is going on!
Using three straight lines divide this rectangle into four
Each part must contain a triangle, a rectangle, a pentagon, a
hexagon, a cylinder and an oval.