Stage: 2 Challenge Level: 
Look at the network of shapes below:
Your challenge is to find the longest way through the network following this rule:
You can start and finish anywhere, and with any shape, as long as you follow the correct order. You may only visit each shape once but you do not have to visit them all.
Generalising. Investigations. Factors and multiples. Sequences. Addition & subtraction. Multiplication & division. Interactivities. Working systematically. Trial and improvement. Route inspection problems.
Published February 2002.
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
