Here we look back at the year with NRICH and suggest mathematical summer holiday activities for students, parents and teachers.

This article for students introduces the idea of naming knots using numbers. You'll need some paper and something to write with handy!

This article for pupils gives an introduction to Celtic knotwork patterns and a feel for how you can draw them.

An article for students and teachers on symmetry and square dancing. What do the symmetries of the square have to do with a dos-e-dos or a swing? Find out more?

A description of how to make the five Platonic solids out of paper.

Jenny Murray describes the mathematical processes behind making patchwork in this article for students.

Lyndon Baker describes how the Mobius strip and Euler's law can introduce pupils to the idea of topology.

This article, written for students, looks at how some measuring units and devices were developed.

This article for pupils gives some examples of how circles have featured in people's lives for centuries.

Not everybody agreed that the Third Millennium actually began on January 1st 2000. Find out why by reading this brief article.

Can you find any perfect numbers? Read this article to find out more...

This article for pupils describes the famous Konigsberg Bridge problem.

Find out about Magic Squares in this article written for students. Why are they magic?!

As I was going to St Ives, I met a man with seven wives. Every wife had seven sacks, every sack had seven cats, every cat had seven kittens. Kittens, cats, sacks and wives, how many were going to St Ives?

This article invites you to get familiar with a strategic game called "sprouts". The game is simple enough for younger children to understand, and has also provided experienced mathematicians with significant food for thought.

This article gives you a few ideas for understanding the Got It! game and how you might find a winning strategy.

Start with a large square, join the midpoints of its sides, you'll see four right angled triangles. Remove these triangles, a second square is left. Repeat the operation. What happens?