Do your logic skills need sharpening? Use the interactive code breaker to at this one page website to do just that! The solution is available to double check your solution.

The difference between a code and cipher is explained. See if you can solve a simple cipher challenge at the bottom of the page.

Can you break the magic number code? Test your algebra aptitude in this challenge that explores number generalizations, symbols, and equations. Discover how algebraic procedures are used in everyday situations in this one page activity...

Need some challenging problem-solving work for your students in the following areas: Discrete, Geometry, Numbers, and Code Breaking? This is the place for an enormous database of problems aimed at high school age students. They are...

This site from the University of St. Andrews provides an extensive biography on Alan Turing details his childhood, education, accomplishments, invention of the Turing machine, and more.

This site has a logic and reasoning math problem.

This site is dedicated to Alan Turing. It has a timeline of important events in his life as well as links to sites with additional information on him.

Dozens of statistical terms are defined and illustrated in this glossary.