Math

Math Forum at Drexel: Not a new site, but great resource for ideas, math talk, lesson plans, etc. []

Wolfram/Alpha: A computation engine that provides knowledge and computes answers. []

[|Khan Academy:] Thousands of videos providing coverage on a variety of content areas, most of which are math, science, and finance. Art and history included. Great way to reinforce skills, differentiate instruction, or review. []

Utah State University: National Library of Virtual Manipulatives []