These packaged sets from Learning Wrap-Ups include a set of Wrap-Ups, a Work Along audio CD, and a 64 page workbook which details the commutative properties of Addition and Multiplication and the distributive properties of Subtraction. Each boxed set will help your child understand that because of these commutative and distributive properties, they can learn these important math skills much faster than they thought possible. Children will love the fun and colorful activities found in each work book, the competitive and self-correcting features provided by the Learning Wrap-Ups and the unique rhythmic, work along features of the audio CD.