IB Maths Resources from Intermathematics
IB Maths Resources: 300 IB Maths Exploration ideas, video tutorials and Exploration Guides
FOBISIA Code Breaking Competition 2026 Back by popular demand – we’re going to run the FOBISIA Code Breaking Maths Challenge again. Last year we had close to 120 schools taking part with over 22,000 students completing at least one code level. We hope that this year’s event will be equally successful. The dates will be: Between... Continue Reading →
Elliptical Curve Cryptography Elliptical curves are a very important new area of mathematics which have been greatly explored over the past few decades. They have shown tremendous potential as a tool for solving complicated number problems and also for use in cryptography. Andrew Wiles, who solved one of the most famous maths problems of the... Continue Reading →
Crack the Beale Papers and find a $65 Million buried treasure? The story of a priceless buried treasure of gold, silver and jewels (worth around $65 million in today's money) began in January 1822. A stranger by the name of Thomas Beale walked into the Washington Hotel Virginia with a locked iron box, which he gave... Continue Reading →
Alan Turing Cryptography Competition Manchester University are running their 5th Alan Turing Cryptography Competition this January. It's aimed at secondary and post 16 students. If you are in the UK and in year 11 or below you can register for the official prizes, for everyone else you can still register and see if you make... Continue Reading →
Crack the Beale Papers and find a $65 Million buried treasure? The story of a priceless buried treasure of gold, silver and jewels (worth around $65 million in today's money) began in January 1822. A stranger by the name of Thomas Beale walked into the Washington Hotel Virginia with a locked iron box, which he gave... Continue Reading →
The one time pad is a very secure way of encoding messages - so secure in fact that it is unbreakable as long as the agents using it don't make any mistakes. It was a very popular method of sending coded messages during the Second World War - and persisted well into the Cold War,... Continue Reading →