How many of each coloured pane are there? Are you sure?

What would be a good word to describe the shape of the coloured panes of glass?

How big do you think this window is? Guess.
In how many different ways could you make a sensible estimate of its size? Talk about the different options with someone else.

Do you think it would be easy to make a window in this way? Why or why not?

Use whatever you like to make a drawing similar to what you see in the picture.

Research rose windows on the internet. Why were they so popular in churches and cathedrals?