A perfect introduction to mathematical concepts for young readers, written by a Newbery honor-winning author!This colorfully illustrated biography of the Greek philosopher and scientist Eratosthenes, who compiled the first geography book and accurately measured the globe's circumference, is just right for budding mathematicians, scientists, historians, and librarians! Filled with fascinating details about Eratosthenes's world (and in print since 1994), kids are sure to flip through the pages time and again.

    There were so many things that he could do with all of that money! He could buy as much gum as he wanted, or even a walkie-talkie, if he saved enough. But somehow the money began to disappear... Readers of all ages will be delighted by this attractive new edition of Judith Viorst's beloved picture book.

    King Arthur was a good ruler, but now he needs a good ruler. What would you do if the neighboring kingdom were threatening war? Naturally, you'd call your strongest and bravest knights together to come up with a solution. But when your conference table causes more problems than the threat of your enemy, you need expert help. Enter Sir Cumference, his wife Lady Di of Ameter, and their son Radius. With the help of the carpenter, Geo of Metry, this sharp-minded team designs the perfect table conducive to discussing the perfect plan for peace. The first in Sir Cumference series, SIR CUMFERENCE AND THE FIRST ROUND TABLE makes math fun and accessible for everyone.

    Eleven-year-old Toby’s vivid diary entries offer an insider’s view of day-to-day castle life, including tips on etiquette (where do you spit at a feast?) and exciting descriptions of hunting, jousting, and harvesting. Complete with glossary, index, and detailed endnotes, this is a rich look at medieval life that informs as much as it entertains.

    Keeping an open mind, looking for unusual number combinations, using multiple skills (like subtracting to add) and looking for patterns, will guarantee any child success in math. In MATH-TERPIECES, Tang continues to challenge kids with his innovative approach to math, and uses art history to expand his vision for creative problem-solving.

    Change just adds up with this bankable book illustrated with real money. Counting, adding, and identifying American currency from one penny to one dollar is exciting and easy. When you have counted all your money, you can decide to save it or spend it.

    But in his mind, he envisions himself traveling at a speed beyond imagining, on a beam of light. This brilliant mind will one day offer up some of the most revolutionary ideas ever conceived. From a boy endlessly fascinated by the wonders around him, Albert Einstein ultimately grows into a man of genius recognized the world over for profoundly illuminating our understanding of the universe. Jennifer Berne and Vladimir Radunsky invite the reader to travel along with Einstein on a journey full of curiosity, laughter, and scientific discovery. Parents and children alike will appreciate this moving story of the powerful difference imagination can make in any life.

    When a professor discovered that the homework sent to him under a male pen name came from a woman...nothing stopped Sophie. And when she tackled a math problem that male scholars said would be impossible to solve...still, nothing stopped Sophie.For six years Sophie Germain used her love of math and her undeniable determination to test equations that would predict patterns of vibrations. She eventually became the first woman to win a grand prize from France's prestigious Academy of Sciences for her formula, which laid the groundwork for much of modern architecture (and can be seen in the book's illustrations).Award-winning author Cheryl Bardoe's inspiring and poetic text is brought to life by acclaimed artist Barbara McClintock's intricate pen-and-ink, watercolor, and collage illustrations in this true story about a woman who let nothing stop her.

    S. of A. States all over the country were waking up, having their first cups of coffee, reading the morning paper, and enjoying the beautiful sunrise.All the states, that is, except for Kansas."At the first annual "states party," Virginia and Idaho hatch a plan to swap spots so each can see another part of the country. Before the party is over, all the states decide to switch places. In the beginning, every state is happy in its new location. But soon things start to go wrong. Will the states ever unscramble themselves and return to their proper places?Packed with madcap humor and whimsical illustrations, this quirky story-starring all fifty states-is chock-full of introductory facts and silly antics that will make learning geography as much fun as taking a vacation.

    This critically acclaimed book has been translated into a dozen languages and remains a classic of children's literature and a touchstone for budding architects. Cathedral's numerous awards include a prestigious Caldecott Honor and designation as a New York Times Best Illustrated Book of the Year for Macaulay's intricate pen-and-ink illustrations.Journey back to centuries long ago and visit the fictional people of twelfth-, thirteenth-, and fourteenth-century Europe whose dreams, like Cathedral, stand the test of time.This title has been selected as a Common Core text exemplar (Grades 6–8, Informational Texts: Science, Mathematics, and Technical Studies).

    Fighting the heat and dust of the desert, Shorty and his father decide to build a baseball diamond and form a league in order to boost the spirits of the internees. Shorty quickly learns that he is playing not only to win, but to gain dignity and self-respect as well.Baseball Saved Us is the ultimate rite of passage story. It will appeal again and again to readers who enjoy cheering for the underdog.

    In 1707, young Sarah Noble and her father traveled through the wilderness to build a new home for their family. “Keep up your courage, Sarah Noble,” her mother had said, but Sarah found that it was not always easy to feel brave inside. The dark woods were full of animals and Indians, too, and Sarah was only eight! The true story of Sarah’s journey is inspiring. And as she cares for her father and befriends her Indian neighbors, she learns that to be afraid and to be brave is the greatest courage of all. The New York Times Book Review described this book as one “to be long remembered for its beautifully written simplicity and dignity.”

    Franklin also designed the lightning rod, suggested the idea of daylight savings time, and invented bifocals-all inspired by his common sense and intelligence. In this informative book, Gene Barretta brings Benjamin Franklin's genius to life, deepening our appreciation for one of the most influential figures in American history.Now & Ben is a 2007 Bank Street - Best Children's Book of the Year.

    Prompted by a poem and a visual clue, students are asked to answer what fration is illustrated in the cow's antics, starting with halves and progressing into thirds, fourths, eights, and tenths.

    After all, it's at the heart of our country. But since it was signed in 1776, the Declaration has had as many ups and downs as the United States itself. It has been rolled up, copied, hidden away and traveled by horseback, sailing vessel, mail truck, railroad car and military tank. After being front and center of a new nation, it has escaped two British invasions and survived for more than two centuries of both peaceful times and devastating wars.What a journey! And it remains proudly the one and only Declaration of Independence.Judith St. George, author of So You Want to Be President?, and Will Hillenbrand give readers a witty and wonderfully illustrated true story of the invincible Declaration, giving heroic testimony to the grit and determination of the country itself.A fun and fascinating way to share the history of the document that gave the American people their freedom.