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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]
National Council of Teachers of Mathematics
The Math Forum: How Do You Find Prime Numbers?
This site explains prime number theory and how to find prime numbers.
National Council of Teachers of Mathematics
The Math Forum: Famous Problems in the History of Mathematics
On this site, there are several math problems to explore and solve. Look through some solutions by famous mathematicians and expand your thinking about some interesting math concepts. Teachers of elementary grades may want to use this...
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...
Technovation
Curiosity Machine: Challenges: Make Drawings of Three Dimensional Objects
Using the Glass Box Theory, students will make scaled technical drawings of 3D objects. This site includes the challenge, tips, a lesson plan, and a place for students to document their engineering design process.
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....
Better Lesson
Better Lesson: More Meat!
Third graders practice skills of addition, subtraction, word problems and graphing and develop their own theories about why meat consumption is so different across the world.
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.
Agnes Scott College
Agnes Scott College: Biographies of Women Mathematicians: Sophie Germain
Article highlights the accomplishments of Sophie Germain, a French mathematician who contributed to the study of acoustics, elasticity, mathematical physics, and the theory of numbers.
Wolfram Research
Wolfram Math World: Euclid's Theorems
This site from MathWorld.com provides a description of the theorems of Euclid and his theories of prime and composite numbers.
University of St. Andrews (UK)
University of St. Andrews: Johann Peter Gustav Lejeune Dirichlet
A biography of Dirichlet's personal life and on his mathematical findings, mainly in calculus and number theory.
The History Cat
The History Cat: Islamic Science and Math
Describes the major accomplishments of Islamic civilizations in the fields of Science and Math, i.e., the Islamic calendar, astronomy calculations, windmills, irrigation with gears, and mathematical theories.
University of Toronto (Canada)
How Can One Show That Imaginary Numbers Really Do Exist?
Contains a brief summary about the theory of imaginary numbers.
University of St. Andrews (UK)
University of St. Andrews: Julius Wihelm Richard Dedekind
This University of St. Andrews site provides biographical information and accomplishments of Dedekind.
National Council of Teachers of Mathematics
The Math Forum: Projection: Theory
Describes how to use dot products to project one vector onto another.
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."
University of St. Andrews (UK)
University of St. Andrews: George Polya
This University of St. Andrews site offers a biography of George Polya. Many links are provided.
Learning Wave Communications
Learning Wave: Commutative and Associative Properties of Multiplication
This resource provides information about the commutative and associative properties of multiplication.