Have you ever tried tessellating capital letters? Have a look at these examples and then try some for yourself.
How many different shapes can you make by putting four right- angled isosceles triangles together?
Use the clues about the symmetrical properties of these letters to place them on the grid.
Can you make the green spot travel through the tube by moving the yellow spot? Could you draw a tube that both spots would follow?
Use the blue spot to help you move the yellow spot from one star to the other. How are the trails of the blue and yellow spots related?
This practical investigation invites you to make tessellating shapes in a similar way to the artist Escher.
Children from Herman First School found lots of ways to sort the houses, but perhaps there are more?
Go to last month's problems to see more solutions.