Advent Calendar 2006

Stage: 2 Challenge Level: Challenge Level:1

Our Advent Calendar has a new World of Tan tangram for each day during the build-up to Christmas. Simply click on the dates to follow the story and complete the challenges.
Full screen verison
If you can see this message Flash may not be working in your browser
Please see http://nrich.maths.org/techhelp/#flash to enable it.