Classroom center complete with all the materials needed to teach fractions to a full class or third or fourth graders - fifteen to 40 students. Includes 15 sets of Fraction Bars, 7 sets of Fraction Playing Cards, Fraction Bars Teacher's Guide Grades 3-4, Fraction Bars Teacher Resource Package Grades 3-4, 30 activity mats, 49 transparencies, and 200 game markers. Comes with a convenient carrying/storage case for all these materials. Grades 3-4. Click here for non-traditional Common Core guides.