Talks and WorkshopsMoMath Workshop
Can you draw a path that crosses every bridge once, but not more than once, without entering the water? You can start and end on any area of land.
Map 1
Map 2
Map 3
Map 4
Can you connect each of these utility companies to each of the houses, without any of the lines intersecting?
Planarity
This is a planar graph, but the
How many colours do you need for these maps, if adjacent countries or states cannot have the same colour?
United States
South America
Germany
England
Try rearranging the cities on this map, and watch how the shortest path between them changes. You can remove cities by tapping them, and you can add cities by clicking anywhere on the map (up to 8):