Interactive
Other

Graphs, Stories, and Games: Games on Graphs

For Students 3rd - 5th
What a great way to make math fun for your elementary students! Learning happens almost by osmosis by using this interesting game that uses stories, a graph (the kind of graph defined in the branch of mathematics called Graph Theory),...
Activity
University of Colorado

University of Colorado: Graph Theory Activities

For Students 9th - 10th
This series of activities incorporates the concept of graph theory into the discrete mathematics classroom. Students work in a group to solve problems using graph theory.
Activity
Wolfram Research

Wolfram Math World: Discrete Mathematics Topics List

For Students 9th - 10th
A thorough list of topics in the study of Discrete Mathematics. Combinatorics, Graph Theory, and Point Lattices are three of the many areas given in-depth explanations here. Many of the links contain discussions of the topics that both...
Activity
Other

Los Alamos National Laboratory: Games on Graphs

For Students 9th - 10th
Learn to understand graphs and graph theory by playing games from Los Alamos National Laboratory. The site also provides definitions and related links.
Unit Plan
Other

Study.com: Graphs in Discrete Math: Definition, Types & Uses

For Students 10th - 12th
This lesson will define graphs in discrete mathematics, and look at some different types. You'll also see how these types of graphs can be used in some real-world applications.
Handout
Wolfram Research

Wolfram Math World: Closed Set

For Students 9th - 10th
Site gives four different definitions of a closed set in mathematics. Each of the definitions has at least one link for further clarification. The site also expresses which of these definitions is most commonly encountered.
Website
Math2

Math2

For Students 9th - 10th Standards
This is a site for students and teachers of all grade levels. If you are looking for math tables, general information about math topics, or you would like to ask a question, this is the site to visit.
Activity
Texas Instruments

Texas Instruments: Math Today Challenge New Color of Money

For Teachers 9th - 10th
In this activity, students will read about the changes in the "new money" and then create a graph to represent various combinations of currency produced. This activity provides an excellent example of discrete, real-world data.
eBook
CK-12 Foundation

Ck 12: Precalculus Concepts 2.0

For Students 10th - 12th Standards
A complete high school Precalculus Concepts course. Includes 'Related Modalities' for each lesson that teach the same concept in different ways. The text materials follows Algebra II and comes before Calculus or Statistics. The content...
Handout
Wolfram Research

Wolfram Math World: Edge Connectivity

For Students 9th - 10th
A description of edge connectivity, that relates to vertex connectivity.
Handout
Wolfram Research

Wolfram Math World: Vertex Connectivity

For Students 9th - 10th
A description of vertex connectivity, that relates to edge connectivity.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Solving Linear Systems Using Matrices and Technology

For Students 10th - 12th Standards
[Free Registration/Login may be required to access all resource tools.] This lesson covers using a graphing calculator and matrices to solve a system of equations.