Students sitting A-Level exams have complained after they were set an Edexcel Maths C1 non-calculator paper which contained questions they say required a calculator.

Here's your chance to have a go at some of the toughest A-level maths questions in papers from the past six years from exam boards AQA, Edexcel and OCR.

This BBC Bitesize article references Edexcel maths past papers, explores practice questions and worked examples to help students prepare for maths GCSE exams.