The colourful place value disks from Learning Resources help children aged 6 and over to understand basic mathematical principles. The 280-piece set contains color-coded disks representing various place values from 1 to 1'000'000. Thanks to the visual division into different colours and the clear print, size ratios and numerical values are easily memorised. These versatile calculation disks are ideal for use in the classroom as well as for playful learning at home. They facilitate visual arithmetic, addition and subtraction in the decimal system.