Selecting practise lets you use this resource to demonstrate or lead whole class exercises from the IWB. Turning of practise gives a timed challenge to complete 5 grids and also records how many grids were completed with zero errors. Grids cannot be advanced without getting them correct.
Drag the red tiles to their correct place on the grid as shown by the blue tiles. Each place on the grid has its answer made up by the blue tiles as shown by this example: