University of Oregon
Basics of Exponential Growth
A site for exponential growth as it applies to population, resource consumption, polution.
University of Utah
University of Utah: Prime Numbers
A discussion of Eratosthenes' development of the system of prime numbers. Includes a Java program that demonstrates the sieve.
National Council of Teachers of Mathematics
The Math Forum: Student Center
The Math Forum Student Center provides math news, notes, challenges, and much more. Dr. Math is here with the answers to students' math questions. There's a teachers' section, a research division, and a parents' part. This site also...
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...
University of Saskatchewan (Canada)
University of Saskatchewan: Emr: Exercises in Math Readiness
The University of Saskatchewan offers this resource for the review of mathematical concepts that students need to enter university level math courses. Topics include mental arithmetic, algebra, geometry, trigonometry, exponential and...
Math Medics
S.o.s. Math: Math Review Resources
A math tutorial for many areas of math that contains over 2,500 pages of explanations and examples in algebra, trigonometry, calculus, and basic mathematics. Also has exams and ask-an-expert function.
National Council of Teachers of Mathematics
Nctm: Standards for School Mathematics
This standards-based NCTM website offers resources for teachers of mathematics for all grade levels, including interactive math tools, lesson plans, online resources, and the like.
Other
Just Intonation Explained
Here is an interesting site explaining how music intonation works with math and fractions. Find out how ratios and fractions denote pitches.
AAA Math
Aaa Math: Aaa Math Lessons
AAA Math's interactive tutorials and lessons assist students grades K-8 improve their understanding of a wide range of arithmetic topics. Students are provided with immediate feedback as they complete the "Learn," "Practice," and "Play"...
Islami City
Islamic History: Arabic Numerals
Considers the origin of our "Arabic," system of number notation as probably having originated in India. Has illustrations demonstrating how much less cumbersome this system is than Roman, Egyptian, or Greek numeration.
National Council of Teachers of Mathematics
The Math Forum: Problem of the Week
Math Forum has a site for problem of the week for Elementary, Middle, and High School. Subject areas include Pre-Algebra, Algebra, Geometry, and Pre-Calculus. Go through the archives of past problems dating back to 2001.
University of Utah
University of Utah: The Sieve of Eratosthenes
Site gives an explanation of the Sieve of Eratosthenes, a table for prime numbers.
Texas A&M University
Greek Numbers and Arithmetic
A brief description of the earliest Greek numberical notation, the Attic system, followed by a more detailed description of the alphabetical system that replaced it.
National Council of Teachers of Mathematics
The Math Forum: Teacher 2 Teacher
This site allows users to search or browse the archives of discussions, ask a question, and discuss math education with colleagues in the Teachers' Lounge. This site has numerous inputs to all types of math education related insights.
University of Saskatchewan (Canada)
University of Saskatchewan: Inequalities
This University of Saskatchewan looks at the basic rules of solving inequalities, concentrating on inequalities with absolute values. Includes example problems and exercises with their solutions.
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.
Other
Online Chinese Tools: Chinese Numbers
An interesting "Brief description of the Chinese number system," has traditional, simplified, and formal Chinese symbols, plus pinyin. Straight forward explanation of Chinese/English similarities and differences. Contains a tool for...
Other
American Mathematical Society: Mathematical Moments
Use this resource to promote an awareness of mathematics as it occurs in nature, science, technology and human culture. This series of articles and podcasts can be used as teaching resources.
Discovery Education
Discovery Education: b.j. Pinchbeck's Math Homework Helper
The math section of this popular Homework Helper site features links to elementary math, algebra, geometry and other related resources.
Other
Mathematics Computation
This site gives you math worksheets to save the teacher time and keep the students learning.
University of Vienna (Austria)
University of Vienna: Maths Online
The University of Vienna, Austria, created this site to help bring the worlds of math and technology together. You have access to many applets and downloads that allow you to create lessons, tests, and puzzles. There are also great...
Other
My Schoolhouse Interactive Learning
Math and reading lessons, with automatic online correction, allow you to set your own pace.
Phil Tulga
Phil Tulga: Music and Math Teacher Resources
This personal site is great for the music/math teacher looking for a new and fun way to teach math shapes with music and musical instrunments.
Other
Mayan Math
A basic, illustrated description of the math system developed by the Mayans. Includes a paragraph comparing the Mayan system favorably with the Roman numeral system of the same time.