This book is ideal for helping students master the Maths skills they'll need for Key Stage 3 and GCSE Science (divided into three sections: Calculations, Presenting Data and Analysing Data). For each topic, there are detailed worked examples that demonstrate the crucial methods step-by-step. This is followed by questions covering Biology, Chemistry and Physics for all-round Science practice. Fully worked answers to every question are available in a separate book (9781847624680).