Learning Resources European Place Value Disks. These colourful, easy-to-manipulate disks complement classroom lessons with representing and identifying numbers, reinforcing number sense, and visually tracking the regrouping of numbers, from the one to millions place. They feature European number formation and colour coding. Use these place value disks with students to illustrate multiplication as repeated addition and division as repeated subtraction, and to practice rounding, operations and more! 280-piece set. Suitable for ages 6+.