Penrose, a cat with a knack for math, takes children on an adventurous tour of mathematical concepts from fractals to infinity.

    Is there enough time? You have 3 shirts and 2 pairs of pants. Can you make 1 good outfit? Then you start to wonder: Why does everything have to be such a problem? Why do 2 apples always have to be added to 5 oranges? Why do 4 kids always have to divide 12 marbles? Why can't you just keep 10 cookies without someone taking 3 away? Why? Because you're the victim of a Math Curse. That's why. But don't despair. This is one girl's story of how that curse can be broken.

    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.

    It teaches all the 0's -9's times tables and has sold over 100,000 copies. Originally published in 1992, Times Tables the Fun Way has been a popular choice for schools and parents. To teach 6x6, for example, the story tells of twin sixes who go off to visit cousins across the desert. They get low on water and become very thirsty sixes, which sounds like 36, the answer to 6x6. Students love learning with the colorful pictures and accompanying songs.

    Delighted with his new career opportunities--as a TV screen and a picture frame--he decides the more angles the better, until an accident teaches him a lesson. Includes special teaching section. Full color.

    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 across the road, it looked like any rocky hill—nothing but sand and rocks, and some old wooden boxes. But it was a special place. And all children needed to go there was a long stick and a soaring imagination.“A celebration of the transforming magic of the imagination. An original.” —ALA Booklist

    As we dream with him, we are taken further and further into mathematical theory, where ideas eventually take flight, until everyone--from those who fumble over fractions to those who solve complex equations in their heads--winds up marveling at what numbers can do.Hans Magnus Enzensberger is a true polymath, the kind of superb intellectual who loves thinking and marshals all of his charm and wit to share his passions with the world. In The Number Devil, he brings together the surreal logic of Alice in Wonderland and the existential geometry of Flatland with the kind of math everyone would love, if only they had a number devil to teach them.

    It's a math class you'll never forget.This classic picture book is an ALA Notable Book, a Reading Rainbow Feature Selection, and a Boston Globe/Horn Book Honor Book for Illustration.The repackage of this fun look at math concepts includes a letter from the author that features several ways for children to find a million everyday things.

    Frizzle, the strangest teacher in school, takes her class on a field trip to the waterworks, everyone ends up experiencing the water purification system from the inside.

    In a relaxed and humorous tone, these splendid artists bring to life the myths that have inspired great European literature and art through the ages, creating a book readers of all ages will cherish."For any child fortunate enough to have this generous book...the kings and heroes of ancient legend will remain forever matter-of-fact; the pictures interpret the text literally and are full of detail and witty observation."--The Horn  Book"The drawings, particularly the full-page ones in this oversized volume, are excellent  and excitingly evocative."--The New  York Times"Parents, uncles, and aunts who have been searching for a big picture book that has good reading-aloud value for the younger ones and fine read-it-yourself value on up, have it in this volume...a children's classic."--Christian Science Monitor

    With black and white illustrations and detailed explanations, this comprehensive and visual resource is perfect for young readers interested in history, architecture, and Roman civilization.

    Packed with math activities and puzzles, compelling stories of math geniuses, math facts and stats, and more, How to be a Math Genius makes the dreaded subject of math both engaging and relevant.

    This groundbreaking, award-winning book endeavors to convey the experience of a person who can only see through his or her sense of touch, taste, smell or hearing.Raised black line drawings on black paper, which can be deciphered by touch, complement a beautifully written text describing colors through imagery. Braille letters accompany the text so that the sighted reader can begin to imagine what it is like to use Braille to read. A full Braille alphabet at the end of the book can be used to learn more.

    The ship is full of exciting places to explore, but when George ventures into the first class storage cabin, a terrible boom shakes the entire boat. Suddenly, water is everywhere, and George's life changes forever.Lauren Tarshis brings history's most exciting and terrifying events to life in this new fictional series. Readers will be transported by stories of amazing kids and how they survived!