Understanding Maths is a series of books designed to reinforce skills and knowledge at Key Stage 2 of the National Curriculum. Each book focuses on a particular maths topic with explanations and teaching points, exercises, answers section and glossary of terms. Graphs, Charts and Data describes different ways to represent data and how to interpret information presented in a range of graphs and charts. It also introduces simple statistical terms and averages. There are plenty of examples and practical activities - plus some fascinating facts along the way. The Graphs, Charts and Data book includes: pictograms, frequency tables and tallying, bar charts/pie charts/line graphs, Venn diagrams, Carroll diagrams, range and average values (mode and median).