![Troublesome Dice](/sites/default/files/styles/medium/public/thumbnails/content-id-7284-icon.jpg?itok=oD6y-RHv)
Symmetry
![Troublesome Dice](/sites/default/files/styles/medium/public/thumbnails/content-id-7284-icon.jpg?itok=oD6y-RHv)
![Exploded Squares](/sites/default/files/styles/medium/public/thumbnails/content-id-7008-icon.jpg?itok=4LuQ4ftF)
problem
Exploded Squares
This practical activity challenges you to create symmetrical designs by cutting a square into strips.
![Rose](/sites/default/files/styles/medium/public/thumbnails/content-id-7005-icon.jpg?itok=A-l1-1_l)
![Attractive rotations](/sites/default/files/styles/medium/public/thumbnails/content-id-6987-icon.png?itok=hGULkXGb)
problem
Attractive rotations
Here is a chance to create some attractive images by rotating shapes through multiples of 90 degrees, or 30 degrees, or 72 degrees or...
![Counters in the middle](/sites/default/files/styles/medium/public/thumbnails/content-id-6978-icon.jpg?itok=mlHLd3as)
problem
Counters in the middle
This task depends on groups working collaboratively, discussing and reasoning to agree a final product.
![Drawing Celtic Knots](/sites/default/files/styles/medium/public/thumbnails/content-id-6809-icon.gif?itok=Ww25gaqM)
problem
Drawing Celtic Knots
Here is a chance to create some Celtic knots and explore the mathematics behind them.
![Trominoes](/sites/default/files/styles/medium/public/thumbnails/content-id-6278-icon.png?itok=SzScF3Oh)
![Tiles in a public building](/sites/default/files/styles/medium/public/thumbnails/content-id-6193-icon.png?itok=YSaa6JBZ)
problem
Tiles in a public building
What is the same and what is different about these tiling patterns and how do they contribute to the floor as a whole?
![Animated Triangles](/sites/default/files/styles/medium/public/thumbnails/content-id-5968-icon.png?itok=1meN_vSN)
problem
Animated Triangles
Watch this "Notes on a Triangle" film. Can you recreate parts of the film using cut-out triangles?
![Triangle Shapes](/sites/default/files/styles/medium/public/thumbnails/content-id-5942-icon.png?itok=kz43MpHv)
problem
Triangle Shapes
This practical problem challenges you to create shapes and patterns
with two different types of triangle. You could even try
overlapping them.