Cool+Learning+Websites

General Activities
Illuminations Interactive Math Websites Mathsframe
 * Math activities and lesson plans.
 * Elementary math websites. Organized by math strand.
 * Math activities to use on interactive whiteboards. Many free resources.

Virtual Math Manipulatives
National Library of Virtual Manipulatives McGraw-Hill Virtual Manipulatives
 * **Incredible** site for Mathematics. Activities sorted by Grade and Strand of math. Includes virtual Base 10 blocks, probability experiments, pattern blocks, tangrams, geoboards, clocks, and many other activities. English and French!
 * Excellent math manipulatives. Base 10 blocks, centimeter cubes, clocks, fraction pieces, pattern blocks, and **many** more.

Games
MangaHigh.com MrNussbaum.com
 * Fun math games - order of operation, transformational geometry, measurement, etc.
 * Fun math games. Kids love Genius Boxing!