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Algebra/Geometry Cut The Knot  a plethera of mathematical resources and games to help with algebra, geometry, arithmetic, probability, and much more. Geometry of the Ancients  An exploration into area, perimeter, and volume. Topics include: Basic Skills, Concepts, Critical Thinking Problems and Applications, Rectangles, Triangles, Trapezoids, Circles and more. Math Goodies  your free math portal featuring interactive lessons, worksheets, and homework help. MathOps  Free and subscription online prealgebra and algebra course. It is like having your own private math teather or tutor, but with interactive lessons you access whenever you are ready. Purplemath  Algebra lessons are written with the student in mind. These lessons emphasize the practicalities rather than the technacalities, demonstrating dependable techniques, warning of likely "trick" questions, and pointing out common mistakes. Taxicab Treasure Hunt  On the surface, this activity is a simple game that gives students practice with coordinates. But it is also intended as an introduction to taxicab geometry, which is a gateway to nonEuclidean geometry. That is, in everyday geometry, the shortest distance between two points is a straight line, but in Taxicab geometry, a straight line is not always possible. Problem Solving Alive Maths  attractive and engaging environment motivating and encouraging students to mathemitize. Suited to exploration, manipulation, and representation. The Chaos Game  improve students' geometric intuition and algorithmic thinking. General British Broadcasting Corporation bitesize revision (help with homework through fun, interactive games). Enriching Mathematics math problems, games, and articles. Federal Resources for Educational Excellence  help with Algebra, Geometry, Data Analysis and much more. Khan Academy  Watch. Practice. Learn almost anything  for free. Over 2,100 videos and 100 selfpaced exercises and assessments covering everything from arithmetic, physics, finance, and calculus. Math Is Fun  combining fun and mathematics to help improve basic math skills. National Library of Virtual Manipulatives  online manipulatives that allow students to visually examine, explore, and develop concepts. Last Modified on January 6, 2012 