Well-designed system conveys a concrete understanding of equivalencies among fractions, decimals and percents. Cards are relationally-sized and color-coded so equivalent values match, with enough of each size card to equal one whole. Ideal for operations activities. Includes 153 cards with numerals on one side and number words on the reverse, two double-sided title cards, plus activity guide. Storage pocket on reverse side keeps supplies within easy reach. Flame retardant nylon with grommets for convenient hanging.