mathematics

Contains alphabetically arranged entries that provide definitions and explanations of more than five hundred math terms, and includes illustrations.

Provides concise explanations, with worked examples and diagrams, of over 500 mathematical terms and concepts, as well as recommended Web site addresses.

Uses explanations, word problems, and games to cover some mathematical topics that middle school students need to know, including the invention of numerical notations, basic arithmatical operations, measurements, geometry, graphs, and probability.

Thirteen-year-old cousins Ivan and Daphne, having lost their younger cousin, Lila, in their secret world of Lexicon, find themselves in the Land of Winter, where Lila's singing ability has landed her in a favorable social class, but they have become a slave and a servant, and they become involved in a fight to restore spring to the frozen landscape.

Thirteen-year-old cousins Ivan and Daphne are sent out to the barn on a rainy afternoon after their Great Aunt Adelaide presents them with a puzzle to solve, but a greater challenge presents itself when the cousins enter Lexicon, a world rampant with words and numbers, and embark on a quest to rescue some missing children.

This book presents nonfiction math concepts as mysteries for readers to solve.

Illustrations and simple text about characters named Add, Subtract, Multiply, and the mysterious X introduce basic math concepts. Includes demonstrative puzzles. Not content to stick with science, Basher is setting out to bring some neighborliness to another tricky subject-Math. Meet Add, who just likes to bring things together, and Subtract who is a negative kind of guy. Lets not forget Multiply who is always in a rush for more, more, more. And whats with the mysterious X? As a bonus, each page has a quick puzzle to demonstrate the concept.

This book is a collection of mind-stretching math riddles to provide creativity and good cheer.

This book introduces children to the concept that math is in their world and all around them--in shapes, patterns, sorting, measuring, and counting.

Provides hundreds of facts about the world of math, from percentages and decimals to inventions and discoveries.