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
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.
Website
Wolfram Research

Wolfram Math World: World's Most Extensive Mathematics Resource

For Students 9th - 10th Standards
MathWorld provides a huge mathematics encyclopedia detailing the concepts of geometry, algebra, calculus, discrete math, number theory, and other math topics--complete with formulas, diagrams, examples, and references for thorough...
Activity
Varsity Tutors

Varsity Tutors: Hotmath: Graphing Calculator Practice: Discrete Mathematics and Probability

For Students 9th - 10th
Practice using your graphing calculator for factorial, combination, and permutation expressions. If you get stumped or if you would like to check your work, then select the View Solution button, which is located directly under each problem.
Activity
Texas Instruments

Texas Instruments: Inequality Graphing App

For Teachers 9th - 10th
This activity investigates the use of the Inequality Graphing App of the TI-83 Plus/TI-84 Plus to solve a linear programming problem.
Handout
Wikimedia

Wikipedia: Graph Theory

For Students 9th - 10th
Wikipedia provides an introduction and overview of graph theory. In addition to introducing the basic terms, there are related links to classic problems in graph theory such as the traveling salesman problem and Dijkstra's algorithm.
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.
Handout
Wikimedia

Wikipedia: Seven Bridges of Konigsberg

For Students 9th - 10th
This Wikipedia site introduces the seven bridges of Konigsberg problem, a classic graph theory problem solved by the mathematician Euler in the 18th century.
Activity
Texas Instruments

Texas Instruments: Numb3 Rs: Guarding the Goods (Part I)

For Teachers 9th - 10th
Based off of the hit television show NUMB3RS, this lesson introduces students to the Art Gallery Problem, in which the number of guards necessary to guard a two-dimensional space (the "art gallery") must be found. This lesson keeps the...
Activity
Texas Instruments

Texas Instruments: Numb3 Rs: The Art Gallery Problem

For Teachers 9th - 10th
Based off of the hit television show NUMB3RS, this lesson introduces students to the Art Gallery Problem, in which cameras must be placed so that the entire area of a floor can be seen. Students use their graphing calculators extensively...
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.
Activity
Texas Instruments

Texas Instruments: Numb3 Rs: Guarding the Goods (Part Ii)

For Teachers 9th - 10th
Based off of the hit television show NUMB3RS, this lesson introduces students to the Art Gallery problem, in which guards must be placed so that an entire area is guarded. This lesson may be used concurrently with Guarding the Goods...
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.
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.