www.forum.swarthmore.edu/dr.math This web site spans all math levels from elementary to college. The elementary section covers fractions, decimals, two-dimensional geometry, measurement, and puzzles to name a few. Factoring algebra, geometry, probability, word problems, and history and biography are some of the areas addressed for middle school concepts. Dr. Math also has a search archive that allows individuals to submit math questions. Another element in this web site is a section that posts the most frequently asked questions such as why a negative always equals a negative, and what is 0 to the zero power and why? This is a great web site for all levels of math.

http://gomath.com - Gomath.com This web site offers math help for K-12 students within 24 hours. It also includes automated algebra and geometry solutions. The interactive tutorials and quizzes is an area that provides the most commonly found math problems that appear on the SAT. However, you must be a member to take advantage of this service. The 'formulas to go' section provide rules and formulas from pre-algebra to calculus. In addition, there are formulas for area, volume, and perimeter. The web site is also advantageous to all levels of math.

www.geometry.net - Geometry.net A web site that contains books for math levels from algebra and beyond. The texts are for those interested in self-teaching and practice for SAT and ACT. The resources listed are impressive.

www.math.com - Math.com This web site ranges from basic math to calculus. There is an area that is currently being developed for advanced topics. Each of these sections is advantageous for students as well as teachers. The site includes self-instruction practice problems and quizzes to take after each section. In addition there is a worksheet generator for teachers, and allows instructors to create their own worksheets with various levels of problem difficulty. An answer sheet can also be added to the teacher created worksheets. This is an all encompasses site for students and instructors.

www.multiplication.com This web site is great for students to practice math facts. The site also includes games such as Math Baseball, Mad Math Minutes, Room 108 Math Blaster and quiz tables. There are also additional resources for books, games, activities, and worksheets. Younger students would truly enjoy practicing math facts utilizing this site.

http://edu4kids.com - This sites offers several math activities geared for elementary kids that includes math fact drills, math squares that function the same as magic squares, and activities that encompass spending money and counting change. There is also a vocabulary section that allows students to decode the meaning of words based on the context of the sentence. Many of these words are based on the reading skills of middle school students. In addition the site has activities that include information about U.S. presidents, U.S. geography, and the periodic table. The web site is one that addresses information in core academic areas.

www.ex.ac.uk/cimt/dictunit/dictunit.htm This web site includes a summary of measurements that are in use around the world today and their brief history. It includes the metric system, UK(imperial) system of measurement, and the U.S. system of measurement. In addition the site includes an unusual alphabetical listing of measurements such and leagues, troy ounces, and slugs. A great feature is the conversion table allows an individual to convert acres into hectars by multiplying by 0.4047 as one example. This is a nice resource for students and teachers alike.

www.aplusmath.com This web site address math skills from elementary to algebra. The site hosts games such as Matho and Hidden Pictures. It also includes a section for allowing elementary students to practice, create and print a personal set of math flash cards. This beneficial site for elementary kids allows them to enter a math problem from their homework. The program will respond by stating if the submitted answer is correct or incorrect. Another element to this web site is the algebra flash card section that creates algebraic problems for advanced students to practice. This section also addresses negative numbers and order of operations to name a few. This is a marvelous web site for elementary and middles school students to practice mathematical problems.

www.mathacademy.com/pr/prime/index.asp This web site is an encyclopedia for definitions of topics and terms ranging from basic math, algebra, calculus, geometry, physical science, economics and trigonometry to name a few concepts posted on the large list. This is a marvelous resource for all students and instructors.

http://people.clarityconnect.com/webpages/terri/sites.html This web site offers tutorials for basic math and algebra. It also has lessons for teachers concerning probability, geometry, and trigonometry. There are additional sites for instructors that addresses origami, art by M.C. Escher, and listings of math contests. Additional information includes math history and multicultural math. This is a great resource for additional math concepts and sites designed for mainly for teachers.