- HörbuchFabulous FractionsIsaac Anoom
- HörbuchTime For TimesIsaac Anoom
- HörbuchMind Boggling NineIsaac Anoom
- HörbuchIt's All in the Nine's TableIsaac Anoom
- HörbuchFinger Tables the Handy Calci WayIsaac Anoom
- HörbuchEquivalent FractionsIsaac Anoom
- HörbuchSuper Cool PercentagesIsaac Anoom
- HörbuchFriendly FractionsIsaac Anoom