But the biggest question of all cannot be answered: Where did that one dot come from?One Day a Dot is a beautiful and vibrant picture book that uses the visual motif of circles as to guide young readers through the stages of life on Earth.

    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.

    Maps tell you about the world: where various countries are located, where the jungles and deserts are, even how to find your way around your own hometown. If you take a fancy to any place on earth, you can go there today and still be home in time for dinner. So open a map, spin a globe. The wide world awaits you.Supports the Common Core State Standards

    It features not only borders, cities, rivers, and peaks, but also places of historical and cultural interest, eminent personalities, iconic animals and plants, cultural events, and many more fascinating facts associated with every region of our planet.

    But where does snow come from? The answer is at your fingertips. Just open this book and read about the wonders of snow....

    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.

    Born in Pisa, Italy, in the sixteenth century, Galileo contributed to the era's great rebirth of knowledge. He invented a telescope to observe the heavens. From there, not even the sky was the limit! He turned long-held notions about the universe topsy turvy with his support of a sun-centric solar system. Patricia Brennan Demuth offers a sympathetic portrait of a brilliant man who lived in a time when speaking scientific truth to those in power was still a dangerous proposition.

    Full-color illustrations.

    A Caldecott medalist and a Newbery Honor-winning poet celebrate the beauty and value of spirals.What makes the tiny snail shell so beautiful? Why does that shape occur in nature over and over againbut also celebrate the beauty and usefulness of this fascinating shape.

    The teacher says they can make maps of anyplace, so Lisa starts with her bedroom. She includes all the things that people will need to read the map, such as a scale and a key to the symbols she has used. Her dog, Penny, helps with the map. This gives Lisa an idea: Why not map Penny's world? Making maps is so much fun that Lisa and Penny decide to visit some of the exotic places that they've drawn-but they won't forget to take a map along!Now available in paperback, this engaging sequel to the bestselling Measuring Penny will delight teachers and students alike.

    A concise main text highlights how feathers are not just for flying. More curious readers are invited to explore informative sidebars, which underscore specific ways each bird uses its feathers for a variety of practical purposes. A scrapbook design showcases life-size feather illustrations.

    She knew how many miles it was to the moon (and how many back). She loved studying algebra and geometry and calculus and using math to solve problems in the outside world.Soon math led her to MIT and then to helping NASA put a man on the moon! She handwrote code that would allow the spacecraft’s computer to solve any problems it might encounter. Apollo 8. Apollo 9. Apollo 10. Apollo 11. Without her code, none of those missions could have been completed.Dean Robbins and Lucy Knisley deliver a lovely portrayal of a pioneer in her field who never stopped reaching for the stars.

    But water doesn't always look the same, it doesn't always feel the same, and it shows up in lots of different shapes. Water can be a lake, it can be steam, it can be a tear, or it can even be a snowman.As the girl discovers water in nature, in weather, in her home, and even inside her own body, water comes to life, and kids will find excitement and joy in water and its many forms.

    To warm up, he drinks cocoa, sits in a hot tub, stands near a warm fire – and melts! But the children know just what to do to build him up again – and make him feel "just right". Hilarity chills the air with playful mixed-media illustrations by Stephen Gilpin as Sneezy attempts to warm himself with some silly results.

    --Slateengaging and delightfully-illustrated book--The Guardian