52 money equation cards feature photographs of U.S. coins. On back: number and word equivalents plus the numerical equation. Includes 4 information/activity cards. Ideal for home, school, or travel. 56 two-sided cards per set, with quick-sorting rounded corners. Handy 3-1/8 x 5-1/4" size. Ideal for teaching: Grades 1-3, sges 6 to 8.