Minard's Map

 

From http://www.math.yorku.ca/SCS/Gallery/minard/minard-odt.jpg

This chart describes Napoleon's march to and from Moscow and is famous for representing a large amount of information in a small space.

The thickness of the lines represents the number of soldiers.

What happened to the number of soldiers over the course of their march to and from Moscow.

What relationship can you see between temperature and the number of soldiers?