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• ## 1. If You Hopped Like a Frog

### by David M. Schwartz, James Warhola (Illustrator)

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

• ## 2. Ratio and Proportion

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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• ## 3. Teaching fractions and ratios for understanding: essential content knowledge and instructional strategies for teachers

### by Susan J Lamon

This popular text addresses the urgent need for curriculum materials that cross traditional boundaries to include many of the elements that are ... More

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• ## 4. Seeing Symmetry

### by Loreen Leedy

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

• ## 5. Percents and Ratios

### by Rebecca Wingard-Nelson

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

• ## 6. Pythagoras and the Ratios: A Math Adventure

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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• ## 7. Ratios and Percents

### by Rebecca Wingard-Nelson

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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• ## 8. Percent and Ratio Smarts!

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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• ## 9. Percents and Ratios

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

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• ## 10. If Dogs Were Dinosaurs

### by David M Schwartz, James Warhola (Illustrator)

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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• ## 11. Space Word Problems Starring Ratios and Proportions

### by Rebecca Wingard-Nelson

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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• ## 12. Learning about Percentages at the Mall

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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• ## 13. Percent and Ratio Smarts!

### by Lucille Caron, Philip M St Jacques

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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• ## 14. A Focus on Fractions: Bringing Research to the Classroom

### by Marjorie M Petit, Robert E Laird, Edwin L Marsden

A Focus on Fractions is the first book to make cognitive research on how students develop their understanding of fraction concepts readily accessible ... More

• ## 15. Let's Fly a Kite

### by Stuart J Murphy, Brian Floca (Illustrator)

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

• ## 16. How Do You Measure Up?

### by Neil Pollard

Explains patterns in the size of parts of the body and how you can measure your own body to find the patterns. Example: the length of your ring ... More

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• ## 17. Ratio: The Simple Codes Behind the Craft of Everyday Cooking

### by Michael Ruhlman

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

• ## 18. The Mathematics of Plato's Academy: A New Reconstruction

### by D H Fowler

This book presents a reinterpretation of early Greek mathematics, one of the most tantalizing intellectual subjects of the last 2,000 years. The ... More

• ## 19. A Mathematical History of the Golden Number

### by Roger Herz-Fischler, Mathematics

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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• ## 21. Mathematics Teaching Cases: Fractions, Decimals, Ratios, and Percents Hard to Teach and Hard to Learn?

### by Donna Goldenstein (Editor), Carne Barnett-Clarke (Editor), Babette Jackson (Editor)

This discussion guide provides many practical suggestions for initiating and leading case discussion groups.

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• ## 22. The Science Olympiad: Proportional Relationships

### by Renata Brunner-Jass

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

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• ## 23. More Teaching Fractions and Ratios for Understanding: In-Depth Discussion and Reasoning Activities

### by Susan J Lamon

This book is a supplement to the text "Teaching Fractions and Ratios for Understanding". It is not merely an answer key, but a resource that includes ... More

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• ## 24. Sharing Submarine Sandwiches, Grades 5-8 (Resource Package): A Context for Fractions

### by Sherrin B Hersch, Antonia Cameron, Maarten Dolk

In their series of professional books for teachers, "Young Mathematicians at Work," Catherine Twomey Fosnot and Maarten Dolk described Mathematics in ... More

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• ## 25. Fractions, Ratios, and Rates

### by Tom Campbell

Integrate a real-world, problem-solving focus into math classes! Covers key middle school and high school topics in the context of everyday life ... More

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