IXL Math -- linked to Alberta math outcomes, with a subscription provided by Wolf Creek.
Cool Math 4 Kids -- interactive math site for students up to junior high.
Interactivate -- math activities for all grade levels.
National Library of Virtual Manipulatives -- interactive activities for all grade levels.
Multiplication.com -- interactive games to build multiplication skills.
Fun 4 the Brain -- mostly math drills, but some language and science stuff too.
Math Continuum -- from LearnAlberta, this site has a review of basic skills for Junior High math.
Calculation Nation -- from the National Council of Teachers of Mathematics. Play math games against players from around the world.
Virtual Manipulatives (McGraw-Hill) -- from McGraw-Hill, textbook publishers. A variety of tools to model many different math concepts, including fractions.
That's Math -- neat ideas for parents to help their children with math around the home using everyday activities (K - Gr 6)
Mathtrain.tv -- Math videos for kids created by kids.
Sumdog -- game-based math where kids can compete against other kids or the computer
Game-based Learning - Math -- a collection of sites that help students practice math skills in a game-based environment.
LearnZillion -- search for lessons on math concepts for all grades.
Math Games -- searchable practice up to Grade 8 in a games-based format. Based on the US Common Core standards.
CK12 -- search repository of math and science resources, including print, video and practice.