Stage: 1 Challenge Level: 
Please do send in your
own versions of the game - we would love to include some ideas
here.
Games. Visualising. Compound transformations. Dice. Interactivities. Practical Activity. Tangram. Addition & subtraction. Counting. Working systematically.
Published January 2008.
Copyright © 2007. University of Cambridge. All rights reserved.
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