What strategies can be used to improve students’ Problem-Solving skills?

Rationale:   In the new Maths GCSE higher tier paper, 30% of marks include a problem-solving element.  In my experience, this is something students noticeably struggle with as they are unsure how to tackle this style of question.  However, problem-solving as a concept is far reaching.  The Education Endowment Foundation’s report, ‘Improving Maths at KS2 …