University of Cambridge
University of Cambridge: Nrich: Single Track
See if you can figure out how to get two trains on a single track past each other using only a very short siding. Check your results right on this one page websites to see if your answer works.
University of Cambridge
University of Cambridge: Maths and Sports: Charting Success
Sports statisticians, trainers and competitors create graphs, charts and diagrams to help them to analyse performance, inform training programmes or improve motivation. This activity encourages students to consider and analyse...
Other
Stat Soft: Statistics Glossary
Dozens of statistical terms are defined and illustrated in this glossary.