Penta people, the Pentominoes, always build their houses from five
square rooms. I wonder how many different Penta homes you can
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?
An interactive activity for one to experiment with a tricky tessellation
What about triangles with two equal sides? These are isosceles
Can you tessellate all isosceles triangles?
Now try with right angled triangles. These have one right angle
or 90 degree angle.
Some triangles have sides that are all different. Can you
Could you tessellate any triangle?