Stage: 2 Challenge Level: 
How will you record your thinking and working?
You could start by noting down what is not possible.
If Sheng did live in Manchester, where would everyone else live?
How many possible solutions are there?
Interactivities. Working systematically. Investigations. Visualising. Short problems. Multiplication & division. Practical Activity. Combinations. Addition & subtraction. Factors and multiples.
Published June 1998.
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