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. Decimals and Percentages develops a sound understanding of what decimals and percentages are, and how they relate to fractions and whole numbers. There are plenty of examples and practical activities to apply the knowledge gained in a variety of situations - plus fascinating facts to support the learning. The Decimals and Percentages book includes: comparing decimals, ordering decimals, rounding decimals, estimating decimals, relating decimals to fractions and adding and subtracting decimals.