Chuan and Jing Jing come up with an innovative way of measuring time to ensure that they will be able to wake their warlord before sunrise and arrive at the emperor's gates as they open in the morning.

Set in the palace of a powerful Chinese warlord, Chuan and his friend Jing Jing, the puppet master's daughter, devise a plan to save the palace from destruction in the face of their enemy's invading army. Together, they use their mathematical and critical thinking skills to construct three kites which they use at nighttime to frighten off the invading army. In the construction process, they use nonstandard units of measurement and multiplication by an array, which illustrates the relationship...

To earn his knighthood, Radius embarks on a quest to rescue the imprisoned King Lell. In his adventures beyond the Mountains of Obtuse, the hero employs measurement skills to navigate a labyrinth of angles and solve cryptic geometric puzzles. The gift of a circular medallion (a protractor) proves invaluable as Radius realizes its ability to measure the angles. The inclusion of a circular medallion (protractor) allows students to interact with the story.

This book is an easy-to-read story about Jake who reads his watch to tell his dad what time to pick him up from soccer practice. It introduces the concept of time and the analog clock. Additional supports include a phonetic glossary, extended learning activities, and sources for further research.

This student book provides interactive math activities using practical items commonly found around the house to learn about stitching curves and fractal patterns. There are illustrated, step-by-step instructions for each activity which include related tips and math facts.

This student book provides interactive math activities using practical items commonly found around the house to learn about geometry and topology. There are illustrated, step-by-step instructions for each activity which include related tips and math facts.

This book from the series The Amazing World of Math explores how numbers, angles and shapes are found everywhere in nature. Radial symmetry in animals and plants, the formation of snowflakes, and the shapes of the rocks in Giant's Causeway in Ireland are just some of the topics included in this book.

This book from the series The Amazing World of Math explores how mathematics relates to many scientific discoveries and inventions and how we see the world around us. Measuring the Earth, calculating time and using different number systems are some of the topics included in this book.

This book from the series The Amazing World of Math explores how numbers, angles and shapes are found everywhere in space. The changing Moon, eclipses, shrinking comets, and crystals are some of the topics included in this book.

This book from the series The Amazing World of Math explores how numbers, angles and shapes are found everywhere in art and sports. The rules of composition and dimension in visual art, rhythm in poetry and music, and angles in basketball and golf are some of the topics included in this book.