This Cambridge IGCSE(R) Mathematics Core and Extended series has been authored to meet the requirements of the Cambridge IGCSE(R) Mathematics syllabus (0580/0980), for first examination from 2020. It contains detailed explanations of concepts and clear worked examples, followed by practice exercises to allow students to consolidate and practise the required mathematical skills. This edition comes with a two-year subscription to Cambridge Online Mathematics and complements the print coursebook by offering further explanations, interactive worked examples, worksheets and quizzes. Cambridge Online Mathematics also allows teachers to set classroom and homework exercises to individual students or entire classes, with the ability to track student progress. For additional teaching material - such as core and extension worksheets - go to the Cambridge University Press website.