Stage: 3 Challenge Level: 
This is a set of tutorial movies designed to help you get started with the Shuffles interactivity .
These movies introduce some mathematical ideas using the Shuffles interactivity.
Interactivities. Small software. Generalising. Computer-based. Visualising. Working systematically. Games. biology. Spreadsheets. Groups.
Published March 2005,April 2005.
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NRICH is part of the family of activities in the Millennium Mathematics Project, which also includes the Plus and Motivate sites.
email: nrich@damtp.cam.ac.uk