problem
Flip
Can you picture where this letter "F" will be on the grid if you
flip it in these different ways?
How will you decide which way of flipping over and/or turning the grid will give you the highest total?
How many different symmetrical shapes can you make by shading triangles or squares?
Here is a chance to create some attractive images by rotating shapes through multiples of 90 degrees, or 30 degrees, or 72 degrees or...