Lambert, Elaine. Mastering Mathematics for OCR GCSE: Foundation 2/Higher 1 - Hodder Education Group 2015 - Mastering Mathematics for OCR GCSE . ISBN: 9781471840104 Subjects--Topical Terms: Mathematics--Textbooks.,Physics--Problems, exercises, etc. Subjects--Index Terms: MATHEMATICS / General LC Class. No.: QA11.2 Dewey Class. No.: 510