This three-part CD mathematical set comes with math cards the cards contain most of the facts which are used on math aptitude test on the back of each card is the definition of the fact and the simple problems using the fact I solution to the problem is also given this is an awesome way to teach your kid in a simplified way that they would understand completely. The cars are arranged to build understanding in each characteristic. This is a great tool for homeschooling so that your child does not fall behind I'm asking 200.00 if you Google you will find that this program is taught in private schools mostly and is valued at over $300 if you are truly interested shoot me an offer