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Arithmetricks: 50 Easy Ways to Add, Subtract, Multiply, and Divide Without a Calculator
Become a mental-math master and astound your friends, family, and teachers with . . . "A fascinating and useful book. I recommend it." --Jaime Escalante (of Stand and Deliver fame) Hiram W. Johnson High School will fascinate students of all ages. A resource 'must' for all math programs." --Howard Wang, Founding Director of Sierra Canyon College Preparatory School "The tips and tricks were really cool." --Liz Matthews, age 12, Anacapa Middle School Packed with 50 tricks and tips that let you add, subtract, multiply, and divide in a flash, makes math easier and more fun than you've ever imagined. You won't need a calculator, or in many cases even a pencil, to come up with the correct answers. Just a few simple shortcuts will have you solving basic problems in record time. will not only amaze you, it will also help you at school and in your daily life. Most of all, you'll have plenty of fun along the way!.
Price: $7.10
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Daily Math Practice, Grade 1
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Daily Math Practice, Grade 2
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Daily Math Practice, Grade 3
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How and Why Species Multiply: The Radiation of Darwin's Finches (Princeton Series in Evolutionary Biology)
Charles Darwin's experiences in the Galápagos Islands in 1835 helped to guide his thoughts toward a revolutionary theory: that species were not fixed but diversified from their ancestors over many generations, and that the driving mechanism of evolutionary change was natural selection. In this concise, accessible book, Peter and Rosemary Grant explain what we have learned about the origin and evolution of new species through the study of the finches made famous by that great scientist: Darwin's finches. Drawing upon their unique observations of finch evolution over a thirty-four-year period, the Grants trace the evolutionary history of fourteen different species from a shared ancestor three million years ago. They show how repeated cycles of speciation involved adaptive change through natural selection on beak size and shape, and divergence in songs. They explain other factors that drive finch evolution, including geographical isolation, which has kept the Galápagos relatively free of competitors and predators; climate change and an increase in the number of islands over the last three million years, which enhanced opportunities for speciation; and flexibility in the early learning of feeding skills, which helped species to exploit new food resources. Throughout, the Grants show how the laboratory tools of developmental biology and molecular genetics can be combined with observations and experiments on birds in the field to gain deeper insights into why the world is so biologically rich and diverse. Written by two preeminent evolutionary biologists, How and Why Species Multiply helps to answer fundamental questions about evolution--in the Galápagos and throughout the world. .
Price: $25.96
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Be Fruitful and Multiply
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The Church that Multiplies: Growing a Healthy Cell Church in North America
Does the cell church strategy work in North America? We hear about exciting cell churches in Colombia and Korea, but where are the dynamic North American cell churches? This book not only declares that the cell church concept does work in North America but dedicates an entire chapter to examining North American churches that are successfully using the cell strategy to grow in quality and quantity. This book provides the latest statistical research about the North American church and explains why the cell church approach restores health and growth to the church today. More than anything else, this book will provide practical solutions for pastors and lay leaders to use in implementing cellbased ministry. NOTE THIS BOOK WAS ORIGINALLY CALLED "CELL CHURCH SOLUTIONS TRANSFORMING THE CHURCH IN NORTH AMERICA." IT NOW HAS A NEW TITLE, NEW SECTION, AND HAS BEEN COMPLETELY REEDITED..
Price: $8.87
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