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Introduces the concept of ratio by comparing what humans would be able to do if they had bodies like different animals.

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These books provide a thorough and enjoyable introduction to math. The reader is encouraged to discover basic concepts through a combination of ... More

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If your dog were the size of a dinosaur, his dinner would fill your bedroom! If the moon were the size of a marble, earth would fit in your hands! If ... More

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A story about a boy who wants to buy his grandfather a birthday present that the grandfather will like but that he can afford demonstrates how ... More

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Having trouble with percents and ratios? With a clear and simple style, Lucille Caron and Phil St. Jacques help students get a handle on percents and ... More

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Math can be hard, but weve got a great solution! This clear and concise book covers so many basic topics on ratios and percents, including equivalent ... More

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Explains the meanings of percents and ratios, discusses calculation techniques, and includes many examples.

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Having trouble with percents and ratios? With a clear and simple style, Lucille Caron and Phil St. Jacques help students get a handle on percents and ... More

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An assortment of dozens of diverse and colorful examples from quilts to kites to cupcakes invites the reader to discover both line and rotational ... More

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Pythagoras and his cousin Octavius want to win a music contest but first they must figure out how to play their musical instruments in unison, ... More

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Make ratios and proportions word problems easy and fun using facts about space. This fully-illustrated book provides you with all the tools needed to ... More

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"The mathematical concepts of proportions, ratios, and scaling are introduced as students partake in the regional Science Olympiad. Additional ... More

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PERCENTS AND RATIOS, another title in the ACE YOUR MATH TEST series, explores test-taking tips and hints as you learn how to solve multiple choice, ... More

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From the author of "The Elements of Cooking" comes a groundbreaking book thatexplains the very essential truth of cooking: it is not the recipe ... More

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Pythagoras and his cousin Octavius want to win a music contest but first they must figure out how to play their musical instruments in unison, ... More

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"Teaching Fractions and Ratios for Understanding" addresses the urgent need for curriculum materials that cross traditional boundaries to include ... More

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Here's an ingenious exploration of the animal kingdom that covers a wide range of creatures -- from flies to elephants, from frogs to killer whales ... More

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Two squabbling siblings learn about symmetry when their babysitter helps them build and fly a kite.

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The first complete, in-depth study of the origins of division in extreme and mean ratio (DEMR)--"the Golden Number"--this text charts every aspect of ... More

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