These fully magnetic 300x600mm sheets are designed to stick to any whiteboard or metal surface, creating instant grid lines for a variety of teaching purposes. 
 
You can use them to 
Model mathematics book work organisation.
Represent data by drawing graphs, charts and diagrams.
Demonstrate area calculations.
Create arrays.
Place the magnet vertically to use as a segmenting chart 
 
They are reusable, durable, and easy to clean, making them a great addition to any classroom. The write and wipe surface can be cleaned simply by using whiteboard spray and a wipe. 
 
You can use multiple grid line magnets to create a larger space. They have designed to be able to align top to bottom or side by side to make a larger space. 
 
Measuring 600mm x 300mm with 5cm grid squares.