Supports the mathematics mastery teaching approach. These colour-coded disks are ideal for introducing the concept of place value to young learners. Giant magnetic disks adhere securely to your whiteboard to command the attention of the entire class Colourful disks help students visualise a place value and track what happens when they regroup numbers in both addition and subtraction Colour coded according to place value Giant Magnetic Place Value Demonstration Disks include: 80 colourful foam disks Multilingual Activity guide Disks measure 5cm Features multilingual packaging