Color-coded tiles expand the learning of fractions and decimals. Double-sided tiles ease comparisons between fractions and decimals. Each set includes 51 double-sided pieces in 9 colors representing 1, 1/2, 1/3, 1/4, 1/5, 1/6, 1/8, 1/dev40, 1/dev42. Fractions printed one side / decimals on reverse. Warning Choking Hazard Small Parts not for children under 3 years. Ideal for grades 1-8. Sold as a pack of 2 sets.