This exam practice book for GCSE contains detailed advice and tips on how to improve marks and overall grade. It Real exam questions; Students answers; How to score full marks; Dont make these mistakes; Key points to remember; Questions to try. Written by a top examiner.GCSE Mathematics Real exam questions across all boards Students answers with hints and tips Dont make these mistakes sections Key points to remember sections Questions to try plus examiners hints How to score full marks sections Answers and guidance at the back.