For Further Study of Map Coloring

Map Coloring with a Friend

With a partner, chose a map and color it together. First one person colors a region, then the other person colors one. Do you remember the rule for coloring?

Coloring on different surfaces

Draw maps on a donut-like surface, such as an inner tube and color them according to the map coloring rules.

Other types of coloring puzzles

Edge coloring. The Colorful Sidewalks of Tourist Town
Vertex coloring. The Colorful Houses of Tourist Town
The game of Col
The game of Snort

Coloring knots

Coloring also appears in the field of knot theory. Mathematicians color knots in order to try to tell two knots apart.

For Research

Find out about the history of the The Four Color Theorem.