Great resource book for anyone who teaches math. This book will give you a different view of mathematics and change the way you think about and teach math in the future. This book will introduce the fundamentals behind working with decimals and operations involving decimals. This book will review changing fractions to decimals and decimals to fractions. Do you know how to change a repeating decimal into a fraction? This book will show you how. You will also be introduced to rounding, significant figures, and scientific notation.