Class Quiz Sites:
Function Carnival by Desmos
Interactive lessons for Geometry, Metric, ect.
http://www.learner.org/interactives/
National Virtual Manipulatives
Illuminations
Basic Skills Practice
http://classroom.jc-schools.net/basic/
Shodor Interactive
__http://www.shodor.org/interactivate/activities/__
Utah Interactives
Over 1000 Math activities!
http://www.visualfractions.com/
Office for Mathematics, Science, and Technology Education, University of Illinois (Interactive and lessons)
http://mste.illinois.edu/resources/
Skillwise from BBC
__http://www.bbc.co.uk/skillswise/__
Mathwire
__http://www.mathwire.com/archives/enrichment.html__
Middle School Portal - Math Pathway
MSP2 is a project of the Ohio State University College of Education and Human Ecology, School of Teaching and Learning, National Middle School Association, and Education Development Center, Inc., and is funded by the National Science Foundation. The partners integrate resources, tools, and services across projects, and support multiple methods of resource discovery to meet the needs of this audience. This site includes both interactive links and lesson links.
multiple free resources for teachers such as virtual manipulatives, hundreds charts, arrow cards, adjustable fractions rulers, dots cards, coins, etc.
http://www.kentuckymathematics.org/resources/tools.asp
Microsoft has released a new scientific calculator that you can download for free (Windows only). Microsoft Mathematics 4.0 is a graphing calculator that plots in 2D and 3D. Of course, the calculator does many other functions such as solving inequalities, converting units of measure, and performing matrix and vector operations.
Desmos offers a fully functional, browser-based graphing calculator.
Encalc is a free online scientific calculator. Encalc describes itself on its homepage as follows, "Encalc is an online scientific calculator. Its strength lies in its ability handle units and dimensional analysis, to define variables and its large database of constants. Parenthesis and scientific formulas are also supported."
College Graphs - free graphing software
Geogebra - free Interactive graphics, algebra and spreadsheet for Geometry and Algebra - much like Geometer's Sketchpad
Wolfram Demonstrations
http://demonstrations.wolfram.com/
var demoObj = new DEMOEMBED(); demoObj.run("FindASolidThatMatchesTheNet", "", "523", "453");
Find a Solid that Matches the Net from the Wolfram Demonstrations Project by Izidor Hafner
Video Lessons from TED
More Video
http://patrickjmt.com/
Learning without boundaries from Virginia Department of Education