These documents are designed to be used by teachers and pupils to: provide an accessible, bite sized checklist against which to cross reference student completion against strand assessment criteria breaks down each Strand into its component parts, giving students clarity over what they need to include to maximize their coverage of work that will gain marks gives guidance, using pupil speak, to explain the purpose, intent, focus, pitfalls and thrust of each Strand, supporting and aiding pupils’ understanding of a non linear approach to true iterative design.