Shalini Saxena

This insightful guide to the history and basic concepts of mathematics reveals how math concepts helped to shape society--from the basic counting and units of measurement that facilitated commerce to the kind of surveying techniques and geometry that helped build the Egyptian pyramids. A chronological account of advancements in mathematics ranges Aristotle and al-Khwarizmi (who first used the term "algebra") to high-speed computers and their impact...

This book offers a broad collection of the principles of statistics and probability in a nice, compact format for the middle school and early high school student. Interesting text and background bring the principles to life. The topics are often enriched by references to famous mathematicians who discovered these principles and also snapshots of these principles at work in our real world. Seldom does a math book bring together the story of so many...

This examination of elementary algebra begins with the essential first step: explaining how algebra is relevant to real life. After that, readers will be taken on a journey through the highlights of algebra, from its basic principles through real numbers and the application of algebra's fundamental concepts. Diagrams and equations, as well as repetition and building on concepts, help make difficult concepts clear. Sidebars highlighting important historical...

Arithmetic factors into our lives on a daily basis, so it's hard to imagine a world without the six basic operations: addition, subtraction, multiplication, division, raising to powers, and finding roots. Readers will get a solid overview of arithmetic, while offering useful examples of how they are used in routine activities, such as social media applications. It reinforces Common Core math standards, including understanding basic math concepts and...

This engrossing guide to the number system and fractions combines the history of math with its practical applications, making the story of math engaging for all readers. Both the number system and computations with fractions constitute important elements of the Common Core mathematical standards for grades 6–8, and in this text, theory and practice combine, giving students an excellent approach to both fields. Sample problems are couched in the...

Our planet abounds with a myriad of wild animals, but some of them are in grave danger of becoming a distant memory. This series profiles some of the world's endangered animals, including the gray wolf, green sea turtle, and American bald eagle. Readers will learn all about their habitat, their appearance, and the lives they lead. They will also discover how human behaviors and environmental change can put these animals at risk, as well as ways people...

Presents information about the Milky way galaxy, including its size, shape, age, and contents.

Few author-illustrators share Mo Willems' keen insight into the minds of young children. Dubbed the 'master of the doodle,' Willems inspires his readers to laugh and think, and perhaps most importantly, to express themselves creatively. Chronicling Willems' life and development as an illustrator and storyteller, this lively volume provides insight into his whimsical sensibility and demonstrates that hard work can be fun if you love what you do. In...

Water that lurks beneath the Earth's surface is usually far easier to ignore than the water that covers it-until that water bursts forth above ground as geysers and hot springs. This engaging volume explains to young readers where this water comes from and its relationship to volcanic activity underground. They will also learn where on Earth these spectacular eruptions are found, how geothermal energy can be harnessed for our use, and much more. Striking...

Planes, trains, and automobiles-these are just some of the many achievements of mechanical engineering. This volume will show readers that they do not have to know complex equations to appreciate the impact the field has had on the world. Accessible text introduces young readers to the machines and engines that power the devices, vehicles, and appliances they encounter on a daily basis. Boxes explain important terms and concepts of mechanics and encourage...