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Ultimately we want the student to imagine the method of writing the problem out "long-windedly" first - to be sure of their answer, but first actually asking the students to write out the expression "long-windedly" helps making this method concrete helps. We should continue to ask the student to write out their working "long-windedly" until the student achieves mastery learning on these types of question.
The plan for this page is to build up a list of examples, as above, and include links to "teaching Higher work to Foundation students" videos and more easy on the eye student "remind-me" videos. For now though here is a list of situations where we have found asking students to "write that out long-windedly" has helped.
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