National Council of Teachers of Mathematics
The Math Forum: Math Topics: Topology: Knot Theory
An extensive collection of sites on the topic of Knot Theory. Links to dozens of sites are provided which take the user from the basic definition of KT, through to detailed Applet programs which create knots on the spot. NOTE: Some links...
Wolfram Research
Wolfram Math World: Closed Set
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.
University of Regina (Canada)
University of Regina: Math Central: Thoughts on Teaching Perm. And Combin.
An article written for teachers with recommendations on how to present permutations, combinations, and the binomial theorem to students. It contains both useful suggestions about order of presentation and many class examples. A good...
University of Colorado
University of Colorado: Election Theory Activities
A variety of lesson plans offer activities to use when teaching discrete math and election theory. The activities get students involved in group work to apply the concepts.
University of Colorado
University of Colorado: Iteration and Recursion Activities
These discrete math activities utilize the concepts of iteration and recursion. Students work in a group to solve real-world problems.
University of Colorado
University of Colorado: Fair Division Activities
A series of activities in fair division allows students to work in groups on discrete math concepts. Tips are included on how to incorporate the activities into other math areas, including Algebra and Geometry.
Wolfram Research
Wolfram Math World: Topology: Topics
A dozen topology topics are listed here for both the teacher's and the student's use. Knot Theory, Bundles, and Topology Structures are just some of the areas which are explored in depth. Detailed explanations and necessary sketches and...
University of Colorado
University of Colorado: Graph Theory Activities
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.
Other
Graphs, Stories, and Games: Games on Graphs
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),...
Khan Academy
Khan Academy: Mean (Expected Value) of a Discrete Random Variable Practice
A practice word problem asking students to calculate the mean of B in a probability chart.
Other
My Maths Teacher: The Route Inspection Problem
Pdf of slides that describes the Chinese postman problem.
Khan Academy
Khan Academy: Discrete Random Variables: Expected Value
Compute the expected value given a set of outcomes, probabilities, and payoffs. Students receive immediate feedback and have the opportunity to try questions repeatedly or receive hints.
Math2
Math2
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.
University of Colorado
University of Colorado: Discrete Mathematics Project: What're the Odds?
This is an activity that may be instructive when trying to learn the concept of "odds" and how they are found.
Analyze Math
Analyze Math: The Inverse of a Square Matrix
Learners explore the discrete mathematics topic of matrices. The tutorial demonstrates how to calculate the inverse of a square matrix. The activity includes examples with 2 by 2 and 3 by 3 matrices.
Analyze Math
Analyze Math: Matrix Addition and Multiplication
Learners explore the discrete mathematics topic of matrices. The tutorial demonstrates how to add and multiply matrices. Some topics explored are scalar multiplication, multiplication of two matrices, square matrices, and addition of two...
Wolfram Research
Wolfram Math World: Applied Mathematics Topics
Over a dozen topics in the field of Applied Mathematics are explored here. Each link contained detailed explanations of the area in question, along with examples and sketches that both teachers and students will find helpful.
University of Victoria (Canada)
Amof: Amazing Mathematical Object Factory
The Amazing Mathematical Object Factory allows you to review many combinatorial objects by producing lists of mathematical objects. This game helps make discrete mathematics more accessible. Combinatorial objects are studied in discrete...
CK-12 Foundation
Ck 12: Using Probability to Make Decisions
Use this Common Core Math Standards Browser to search specific math concepts and their corresponding standards. This page focuses on Using Probability to Make Decisions. Click on the links to find lessons, activities, videos, and study...
Texas Instruments
Texas Instruments: Numb3 Rs: Dna Sequencing Alignment
Based off of the hit television show NUMB3RS, this lesson has student find the level of similarity between two different-length strands of DNA. Connections to Djikstra's algorithm are mentioned, and students learn more to follow careful...
Illustrative Mathematics
Illustrative Mathematics: F if the Random Walk
In this task, a person moves left or right one unit on a life-sized number line based on the toss of a coin. The task involves interpreting a function in a non-standard context and provides an opportunity to compute some probabilities in...
Wolfram Research
Wolfram Math World: Edge Connectivity
A description of edge connectivity, that relates to vertex connectivity.
Wolfram Research
Wolfram Math World: Vertex Connectivity
A description of vertex connectivity, that relates to edge connectivity.
Math Planet
Math Planet: Algebra 2: Permutations and Combinations
Discussion of permutations and combinations using examples and a video lesson. [1:15]
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