advent calendar 2015

Are you up for the Drips challenge?

Can you visit everywhere in this mathematical road trip?

Make beautiful maths with your sticky notes!

Meet one of our favourite mathematicians: Manjul Bhargava!

One of our favourite maths problems in movie form.

Can you cut up an old playing card to make a hole big enough to walk through?

How many guards to you need to supervise an art gallery?

Here's a number game with a clever strategy.

If you want to draw a rhombus on dotty paper, can you start with any two dots?