### Have You Got It?

Can you explain the strategy for winning this game with any target?

### Traffic Lights

The game uses a 3x3 square board. 2 players take turns to play, either placing a red on an empty square, or changing a red to orange, or orange to green. The player who forms 3 of 1 colour in a line wins.

### Yih or Luk Tsut K'i or Three Men's Morris

Some puzzles requiring no knowledge of knot theory, just a careful inspection of the patterns. A glimpse of the classification of knots and a little about prime knots, crossing numbers and knot arithmetic.

# Tangram Pictures

## Tangram Pictures

A tangram is an ancient Chinese puzzle where you make pictures using mathematical shapes.
Make a set of tangram pieces from squared paper as shown below:
Can you make each of these pictures using your seven pieces?

You can try some more tangram puzzles in the World of Tan problems.
There are puzzles using a different set of tangram shapes in the problem Square Tangram.

Or why not try designing some Tangram pictures of your own?

If you want to learn how to make a tangram by folding paper without having to do any measuring or ruling lines, click here.