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Developing a Framework for Mathematical Enrichment

This paper considers the key aspects of mathematics enrichment and how the content and design of trails (as well as the NRICH site itself) has been influenced by, and built upon, these philosophies.

article

A Problem Is a Problem for All That

7 to 16

In this article, Jennifer Piggott talks about just a few of the problems with problems that make them such a rich source of mathematics and approaches to learning mathematics.

article

Divided Differences

16 to 18

When in 1821 Charles Babbage invented the 'Difference Engine' it was intended to take over the work of making mathematical tables by the techniques described in this article.

problem

Favourite

Going to the Cinema

11 to 16

A cinema has 100 seats. Is it possible to fill every seat and take exactly £100?

problem

Favourite

Break It Up!

5 to 11

In how many different ways can you break up a stick of seven interlocking cubes? Now try with a stick of eight cubes and a stick of six cubes. What do you notice?

article

The Mean Game

16 to 18

Edward Wallace based his A Level Statistics Project on The Mean Game. Each picks 2 numbers. The winner is the player who picks a number closest to the mean of all the numbers picked.

problem

Book Codes

7 to 11

Look on the back of any modern book and you will find an ISBN code. Take this code and calculate this sum in the way shown. Can you see what the answers always have in common?