There are six sessions for key stage 3 students which you can use together as 1 pack or individually.  You can download them all from the links below or read more about the goals for each session using the links in the left hand menu.

There are also supporting materials in the form of online games which you can access here.

Note that the downloadable packs have the wrong contact details on them, you can find the right National Centre contact details here and the packs will be updated soon.