If you can't see the images above it may be because you do not have a recent version of the Flash Player installed or that your device (such as the iPad) cannot show Flash diagrams.
A version of this activity not requiring Flash can be found here.
The students numbered 1 to 8 should sit
on the chairs so that no two consecutively numbered students sit next to each
other either vertically, horizontally or diagonally.
Is it possible?
If so, how
many different solutions can you find?
A self checking version of this activity can be found here.