- A NEW classroom center complete with all the materials needed to teach fractions to a full class. Includes 10 sets of Fraction Bars, 7 sets of Fraction Playing Cards, Fraction Bars Teacher's Guide Grades 5-8, Fraction Bars Teacher Resource Package Grades 5-8, 44 activity mats, 49 transparencies, Transparency Holder storage case, 7 spinners, 7 dice, and 200 game markers. Comes with a convenient carrying/storage case for all these materials. Grades 5-8.