Wolfram Research
Wolfram Math World: World's Most Extensive Mathematics Resource
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...
Other
Center School District: Everyday Math Resources
Everyday Math Resources for 5th grade is an excellent resource for both students and teachers. Twelve math strands are linked to activities and interactive games that support the learning outcomes. Click on links at the top to access...
Alabama Learning Exchange
Alex: My Favorite Number
The activity allows students to review many of the number theory concepts. Students will pick a composite number write verbal expressions about the number, find the factors, prime factorization, list multiples, draw a cartoon character...
Wolfram Research
Wolfram Math World: Discrete Mathematics Topics List
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...
Other
Ask Lois Math Terms: Commutative Property
What is the commutative property? Why not ask Lois. She knows all about math "lingo." A site where kids can find math definitions explained in "kid friendly" language.
Other
Allmath: Math Glossary
Are your students having difficulty understanding math terminology? Try this A-Z glossary on math related terms. It's quick, easy to read, and very complete.
Oswego City School District
Regents Exam Prep Center: Practicing With Properties of Real Numbers
Test your knowledge of the number properties. This challenging practice really puts you to the test. Assessment covers all number theory properties: associative, commutative, distributive, inverse, and identity.
TED Talks
Ted: Ted Ed: Why Do Competitors Open Their Stores Next to One Another?
Discover how game theory and Nash Equilibrium affect where retailers set up businesses to compete with each other. [4:07]
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.
Texas Instruments
Texas Instruments: Numb3 Rs: Critical Maths
Based off of the hit television show NUMB3RS, this lesson introduces students to critical path analysis (CPA), in which tasks are broken into subtasks with prerequisites. In such a situation, subtasks must be completed in a certain order...
Oswego City School District
Regents Exam Prep Center: More Practice With Properties of Real Numbers
How well do you know your number properties? Take this quiz and find out what you know or what you don't know. Immediate feedback. Check your answer right online.
University of St. Andrews (UK)
University of St. Andrews: Mac Tutor History of Mathematics Archive
The University of St. Andrews, Scotland, presents hundreds of biographies of famous mathematicians, histories of math in various cultures, and interesting facts on the development of important math concepts. This is a huge reference....
Wolfram Research
Wolfram Math World: Calculus and Analysis
Over two dozen links are provided at this MathWorld site. From Polynomials and Series to Dynamical Systems and Catastrophe Theory, each link provides in-depth explanations and relevant diagrams of the topics at hand.
Wolfram Research
Wolfram Math World: Distance
MathWorld.com gives a formula for finding distance using the Pythagorean theorem. The formula for finding the distance between two points in Euclidean space is given on this page. The page has links to related topics.
University of Toronto (Canada)
How Can One Show That Imaginary Numbers Really Do Exist?
Contains a brief summary about the theory of imaginary numbers.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Rational and Irrational Number
Math Forum response to the size of the set of rational numbers. Responses investigate the countability of sets and basic set theory.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Rational Numbers
Math Forum response addressing how many elements are in the set of rational numbers. Responses investigate the countability of sets, and how sets with an infinite number of elements can be counted and compared to other "infinite sets."
Tour Egypt
Tour Egypt: The Ancient Egyptian Number System
This Tour Egypt site presents an easy-to-read account of ancient Egypt mathematics. Content explores the history and development of mathematics, how it was used, what helpful documents we have found that give us insight into what the...
American Association of Physics Teachers
Com Padre Digital Library: Open Source Physics: Minkowski Diagram Model
Simulation examining simultaneity and causality in special relativity by manipulating the space and time coordinates of one or two events.
American Association of Physics Teachers
Com Padre Digital Library: Open Source Physics: Special Relativity on Rotated Graph Paper Model
A representation of Minkowski spacetime diagrams using graph paper that is rotated, showing the world lines of three stationary observers with light clocks.
American Association of Physics Teachers
Com Padre Digital Library: Open Source Physics: Lorenz Attractor Periodic Orbits
Simulation of a Lorenz attractor which is shaped like a butterfly. Manipulate the image and observe from all sides as the orbits about two fixed points are drawn.
Amby Duncan-Carr
Prime Factorization: Amby's Resources
What is prime factorization? This site goes through a step-by step process explaining different ways to find the prime factorization.
Texas Instruments
Texas Instruments: Numb3 Rs: It's All Connected
Based off of the hit television show NUMB3RS, this lesson uses students' knowledge of graph theory (networks) to introduce two measures of centrality (how connected a particular node is to the entire network), known as degree centrality...
University of Cambridge
University of Cambridge: Nrich: Elf Suits
Reasoning will help you figure out the various combinations of elf suits at this one page website. Check your solution against the solution given and see if they agree with you!