If you have never heard of ALEKS, I'd encourage you to check out their website. There is something there for everyone - from teachers/parents to students (of all ages).  ALEKS has programming available for all ages, from kindergarten, right on up to the highest mathematical levels in high school.  Here is some information specific to homeschool families (taken directly from the ALEKS website):

ALEKS (Assessment and LEarning in Knowledge Spaces) can provide you with the instruction and support you need to homeschool your children in mathematics for grades 3-12.  ALEKS is accessible from virtually any computer with Internet access, making it a flexible and mobile educational solution for your children. 

ALEKS is a Research-Based Online Math Program:

• Complete Curriculum Solution for Math with Access to Full Course Library
• No Textbook Required
• Artificial Intelligence Targets Gaps in Student Knowledge
• Assessment and Individualized Learning for Grades 3-12
• Master Account Includes Quizzing and Automated Reports to Monitor Learning Progress
• Unlimited Online Access - PC & Mac Compatible

This year's new Crew members will be reviewing the ALEKS program.  Members from last year's Crew, who previously reviewed ALEKS, will be reviewing the new Master Account.  I'm sure you will find all of the reviews both interesting and helpful.  In the meantime, check out the FREE TRIAL of ALEKS.