probability
Math Live, online animated math tutorials from LearnAlberta.CA
This free site features 23 different interactive tutorials on a range of math concepts. The focus is on understanding concepts, not drill. The tutorials are "taught" by friendly animated characters-- it's not as fun as Cyberchase, but it's not too dry either.
The topics covered are: decimals, fractions, basic geometry, plotting points on an XY coordinate system, and probability. If there's a topic that your child isn't getting or is resistant to being taught, this could be a helpful site.
Mathematics Enhancement Programme- free curriculum for all ages
This is a complete mathematics curriculum available free online, including printable practice books, lesson plans, and copy masters. It was developed for the UK, and goes from "Reception", which seems to be analogous to kindergarten in the US, up through year 11 (similar to 11th grade). There are 2 versions of the 10-11th year curriculum, only one of which seems to be for college-bound students. The collegebound version includes guidance for customizing the curriculum for advanced students. The version of the 12th year intended for collegebound students is not
Cyberchase
A website with games related to the PBS tv show "Cyberchase". A wide variety of elementary math concepts are taught.
