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Algebra Vision shows students how to play with algebra. Drag numbers around! With Algebra Vision, you start off with an expression, and you have a toolbox full of tools (theorems). Each one has a unique purpose that changes your expression. Use them.

Purplemath's algebra lessons are written with the student in mind. These lessons emphasize the practicalities rather than the technicalities, demonstrating dependable techniques, warning of likely "trick" questions, and pointing out common mistakes. The lessons are cross-referenced to help you find related material, and a "search" box is on every page to help you find what you're looking for.

"basic calculator information, basic operational skills, basic graphing skills, statistics and probability, and dealing with errors. The mathematical level requires basic algebra skills."

Wikis are the most popular Web 2.0 tool being used in science and math classrooms. Based on a survey of readers - 43 percent use them to support their teaching and student learning. A Wiki is appealing, encourages participation, supports collaboration, and promotes interaction by students who love to use technology. By the way - this includes most students today!

We're back with five free new maths interactives  Interactives on web, we believe, bring new levels of understanding to math and helps students learn or review on their own.   See the additions in our original post here.