Decision Introductions

A set of stand-alone worksheets to introduce students to various aspects of Decision maths including complete graphs, minimum spanning trees, route inspection and travelling salesman. (Ideas mostly taken from the AQA Decision 1 textbook).

AQA Decision Notes

Concise notes on the AQA Decision 1 module of A Level Mathematics.

OCR Decision Notes

Notes on the OCR Decision 1 module of A Level Mathematics - thanks Ben Walker!

London Underground Map

Great for Decision maths. The standard map as a colour pdf or as a gif file. There is also a good black & white printable version.

Interesting alternate versions include where the lines really are, or on a satellite image. Which parts of the underground are actually underground. Annotated with train times between stations. Finally, showing which stations are faster to walk between.

London Underground website.

Travelling Salesman Problem Website

A website with many applications and puzzles based on the TSP.

Claymath P vs NP Problem

The Claymath Institute Millenium problem No.3 - P vs Np problem which is based on finding general method for solving the TSP.