Practical Algebra is an easy andfun-to-use workout program that quickly puts you in command of allthe basic concepts and tools of algebra. With the aid of practical, real-life examples and applications, you'll learn: * The basic approach and application of algebra to problemsolving * The number system (in a much broader way than you have known itfrom arithmetic) * Monomials and polynomials; factoring algebraic expressions; howto handle algebraic fractions; exponents, roots, and radicals;linear and fractional equations * Functions and graphs; quadratic equations; inequalities; ratio, proportion, and variation; how to solve word problems, andmore Authors Peter Selby and Steve Slavin emphasize practical algebrathroughout by providing you with techniques for solving problems ina wide range of disciplines--from engineering, biology, chemistry, and the physical sciences, to psychology and even sociology andbusiness administration. Step by step, Practical Algebra shows youhow to solve algebraic problems in each of these areas, then allowsyou to tackle similar problems on your own, at your own pace.Self-tests are provided at the end of each chapter so you canmeasure your mastery.

    In Are Numbers Real?, Brian Clegg explores the way that math has become more and more detached from reality, and yet despite this is driving the development of modern physics. From devising a new counting system based on goats, through the weird and wonderful mathematics of imaginary numbers and infinity, to the debate over whether mathematics has too much influence on the direction of science, this fascinating and accessible book opens the reader’s eyes to the hidden reality of the strange yet familiar entities that are numbers.

    The sharp corners and twists are taken at speed, leaving you to grip the edge of your seat! Continue your journey now,Go beyond Time itself...

    Bringing together the best and most interesting science stories appearing in Quanta Magazine over the past five years, Alice and Bob Meet the Wall of Fire reports on some of the greatest scientific minds as they test the limits of human knowledge. Quanta, under editor-in-chief Thomas Lin, is the only popular publication that offers in-depth coverage of today's challenging, speculative, cutting-edge science. It communicates science by taking it seriously, wrestling with difficult concepts and clearly explaining them in a way that speaks to our innate curiosity about our world and ourselves.In the title story, Alice and Bob--beloved characters of various thought experiments in physics--grapple with gravitational forces, possible spaghettification, and a massive wall of fire as Alice jumps into a black hole. Another story considers whether the universe is impossible, in light of experimental results at the Large Hadron Collider. We learn about quantum reality and the mystery of quantum entanglement; explore the source of time's arrow; and witness a eureka moment when a quantum physicist exclaims: "Finally, we can understand why a cup of coffee equilibrates in a room." We reflect on humans' enormous skulls and the Brain Boom; consider the evolutionary benefits of loneliness; peel back the layers of the newest artificial-intelligence algorithms; follow the "battle for the heart and soul of physics"; and mourn the disappearance of the "diphoton bump," revealed to be a statistical fluctuation rather than a revolutionary new particle. These stories from Quanta give us a front-row seat to scientific discovery.ContributorsPhilip Ball, K. C. Cole, Robbert Dijkgraaf, Dan Falk, Courtney Humphries, Ferris Jabr, Katia Moskvitch, George Musser, Michael Nielsen, Jennifer Ouellette, John Pavlus, Emily Singer, Andreas von Bubnoff, Frank Wilczek, Natalie Wolchover, Carl Zimmer

    Clarke thinks big, but Cliff Pickover outdoes them both. In his newest book, Cliff Pickover outdoes even himself, probing a mystery that has baffled mystics, philosophers, and scientists throughout history--What is the nature of time?In Time: A Traveler's Guide, Pickover takes readers to the forefront of science as he illuminates the most mysterious phenomenon in the universe--time itself. Is time travel possible? Is time real? Does it flow in one direction only? Does it have a beginning and an end? What is eternity? Pickover's book offers a stimulating blend of Chopin, philosophy, Einstein, and modern physics, spiced with diverting side-trips to such topics as the history of clocks, the nature of free will, and the reason gold glitters. Numerous diagrams ensure readers will have no trouble following along. By the time we finish this book, we understand a wide variety of scientific concepts pertaining to time. And most important, we will understand that time travel is, indeed, possible.

    Contents:1. Bits and Pieces of Information - Lana & Lilly Wachowski (writers), Geof Darrow (artist)2. Sweating the Small Stuff - Bill Sienkiewicz3. A Life Less Empty - Ted McKeever4. Goliath - Neil Gaiman (writer), Bill Sienkiewicz & Gregory Ruth (artists)5. Burning Hope - John Van Fleet6. Butterfly - Dave Gibbons7. A Sword of a Different Color - Troy Nixey8. Get It? - Peter Bagge9. There Are No Flowers in the Real World - David Lapham10. The Miller's Tale - Paul Chadwick11. Artistic Freedom - Ryder Windham (writer), Kilian Plunkett (artist)12. Hunters and Collectors - Gregory Ruth

    In the story 'First Shift', Hugh Howey said in an interview that Silo 40 had shut itself down and you wouldn't believe what was going on in silo 40.

    Beautifully illustrated with old engravings as well as contemporary imagery, Sacred Number introduces basic counting systems; significant numbers from major religious texts; the importance of astronomy, geometry, and music to number quality; how numbers affect architecture. Lundy explains why the ideas of Pythagoras still resonate, and she profiles each number from one to ten to show its distinct qualities: why, for example, the golden section is associated with five, and seven with the Virgin Mary.

    There is one worksheet for each type of math problem including different digits with operations of addition, subtraction, multiplication and division. These varying level of mathematical ability activities help in improving adding, subtracting, multiplying and dividing operation skills of the student by frequent practicing of the worksheets provided.There is nothing more effective than a pencil and paper for practicing some math skills. These math worksheets are ideal for teachers, parents, students, and home schoolers. The companion ebook allows you to take print outs of these worksheets instantly or you can save them for later use. The learner can significantly improve math knowledge by developing a simple habit to daily practice the math drills.Tutors and homeschoolers use the maths worksheets to test and measure the child's mastery of basic math skills. These math drill sheets can save you precious planning time when homeschooling as you can use these work sheets to give extra practice of essential math skills. Parents use these mathematics worksheets for their kids homework practice too.Designed for after school study and self study, it is used by homeschooler, special needs and gifted kids to add to the learning experience in positive ways. You can also use the worksheets during the summer to get your children ready for the upcoming school term. It helps your child excel in school as well as in building good study habits. If a workbook or mathematic textbook is not allowing for much basic practise, these sheets give you the flexibility to follow the practice that your student needs for an education curriculum.These worksheets are not designed to be grade specific for students, rather depend on how much practice they've had at the skill in the past and how the curriculum in your school is organized. Kids work at their own level and their own pace through these activities. The learner can practice one worksheet a day, two worksheets a day, one every alternate day, one per week, two per week or can follow any consistent pattern. Make best use of your judgement.

    There are crops to plant and harvest, and animals to feed. There is the daily grind of life after a viral apocalypse where things they used to take for granted, like food, water, and safety, are no longer a given, especially with predators prowling at the perimeter of the farm. It is two against the world, and all they have is each other.

    Ruth Parsons and her daughter Althea charter a plane with the Mayan pilot Esteban and allow Fenton to travel with them. When the plane crashes, Don and Ruth split off from Althea and Esteban in order to search for fresh water. Throughout the ordeal, Don becomes increasingly annoyed when Ruth does not panic or act in a way he expects of a woman. His conversations with Ruth reveal that she feels alienated since she is a woman, though Don is unable to understand her views. During an encounter with aliens, Ruth pleads with them to take her and Althea away from Earth while Don tries to “save” her from the extraterrestrials. In the end the aliens leave with the Parsons, leaving Don bewildered and questioning why the two women would rather leave with aliens than stay on Earth.

    Nonetheless in this close community friendships go deep and the pub of an evening is a cheery place, at least until too much drink is taken. Fifteen years ago, Joe McBride left Westerbank under a cloud, and in his absence life has moved on, the secrets he took with him disturbing only occasionally those who were caught up in them. But now Joe McBride is coming home, a changed man, and one who needs to face up to the past before it's too late. The truth about the mysterious death of a young girl fifteen years ago is about to come out, and nothing in Westerbank will ever be quite the same again.

    Did you know that there are one million earthworms in an acre of soil, or that an average American eats 10 pounds of marshmallows in a year? Did you know that the act of yawning and stretching at the same time is known as pandiculation?These facts, and hundreds more in a wide variety of subjects including history, science, sports, music and more, make Hmm...I Did Not Know That a must read for trivia buffs and fact fanatics.

    This student-centered, problem-based approach to learning is a central theme of this book. Learning how best to help children believe that mathematics makes sense and that they themselves can make sense of mathematics is an exciting endeavor and a lifelong process. It requires the knowledge gained from research, the wisdom shared by professional colleagues, and the insightful ideas that come from your own daily experiences with students. I hope that this book will assist you on this fantastic journey. Praise for Elementary and Middle School Mathematics This is absolutely the best book on the market. No other book comes close.–Sandra L. McCune, Stephen F. Austin University I particularly like the emphasis on doing math more than one way (invented math) and the emphasis on problem solving. There is a wealth of resources and children’s books for students to use in their development of concepts.–Carol Geller, Radford University This text is not only a valuable tool in making sense of and encouraging the use of mathematics by preservice teachers, but also for those educators already in the field. –Marilyn Nash, Indiana University South Bend About the AuthorJohn A. Van de Walle is Professor Emeritus, Virginia Commonwealth University. As a mathematics education consultant, he regularly works with K—8 teachers and in elementaryschool classrooms and has taught mathematics to children at all levels, K—8. He is also a coauthor of the Scott Foresman, Addison Wesley Mathematics K,6 series. Jennifer M. Bay-Williams has written a Field Experience Guide to accompany the text. Organized to cover all NCATE and NCTM standards and correlated to all chapters of the text, the Field Experience Guide is packed with field-based assignments and reproducible forms to record your experiences. The guide also includes additional activities for students, full-size versions of the Blackline Masters in the text, and 16 extended lesson plans written by John Van de Walle. For more information or to purchase a copy, visit www.ablongman.com and search for the ISBN (0-205-49314-9.

     Yet in the wake of those final battles comes a reprieve, a new peace maintained by the knowledge that total war is too devastating to even contemplate, that the weapons employed--should they come into common use--would lay waste to the galaxy. Admiral Tanis Richards, the former Field Marshal, wishes nothing more than to retire to her lakehouse and stare out over the rippling waters for a year or two, but knows she cannot. For the greatest enemy that humanity and free AIs have ever faced waits for her at the galactic core. Epsilon, a powerful AI, his nodes filling an entire world, is has his mind bent on remaking the universe, and organic life is not in the blueprint. Though they yearn to enjoy the fruits of their labors, Tanis and her allies must prepare for one final battle against the scions of the human race. They must prepare to fight The Ascension War.