eBook
Mathigon

Mathigon: Graphs and Networks: Parties and Dating

For Students 9th - 10th Standards
This lesson uses handshakes at a party to explain complete graphs, when every vertex is connected to every other vertex. It shows how a formula was created to calculate the number of edges.
Handout
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Tutorials Point: Graph Theory Coloring

For Students 10th - 12th
Graph coloring is nothing but a simple way of labeling graph components such as vertices, edges, and regions under some constraints. This site introduces you to graph coloring and its applications in the real world.
Handout
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Geeks for Geeks: Graph Coloring|set 1 (Introduction and Applications)

For Students 10th - 12th
Graph coloring problem is to assign colors to certain elements of a graph subject to certain constraints. This source looks at different applications of graph coloring.

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