Stage: 2 Challenge Level: 
No real ideas came forward as to what people did get from this exploration. We are interested in any work that proceeds from looking at the challenges - so, let us know if you can.
Cuboids. Compound transformations. Addition & subtraction. Investigations. Working systematically. Combinations. Visualising. Tangram. Interactivities. Practical Activity.
Published April 1998,September 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