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Four Triangles Puzzle

Cut four triangles from a square as shown in the picture. How many different shapes can you make by fitting the four triangles back together?

Two by One

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

Playground Snapshot

The image in this problem is part of a piece of equipment found in the playground of a school. How would you describe it to someone over the phone?

Circle Panes

Age 7 to 11
Challenge Level

circular window

Look carefully, what shapes can you see?

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?