You may also like

problem icon

Penta Place

Penta people, the Pentominoes, always build their houses from five square rooms. I wonder how many different Penta homes you can create?

problem icon

Two by One

An activity making various patterns with 2 x 1 rectangular tiles.

problem icon


A tetromino is made up of four squares joined edge to edge. Can this tetromino, together with 15 copies of itself, be used to cover an eight by eight chessboard?

Tessellating Triangles

Age 7 to 11 Challenge Level:
Make plenty of triangles before you start (in different colours if possible).