The author and illustrator of the best-selling Words Are CATegorical(R) series use their trademark sense of humor to add up the fun!

    Dynamic illustrations combine with simple yet challenging questions to stimulate young learners to move beyond simple counting to more complex mathematical tasks. Full color.

    She has to use standard units like inches and nonstandard units like paper clips to find out height, width, length, weight, volume, temperature, and time. Lisa decides to measure her dog, Penny, and finds out ... Penny's nose = 1 inch long Penny's tail = 1 dog biscuit longPenny's paw print = 3 centimeters wide ... and that's only the beginning! Lisa learns a lot about her dog and about measuring, and even has fun doing it.This clear and engaging concept book, delivered with a sense of humor, is certain to win over the most reluctant mathematician.

    Each ring of the doorbell brings more friends to share the delicious cookies Ma has made in this beloved classic.This enjoyable read-aloud picture book about friendship, sharing, and cookies can also be used to introduce basic math concepts to young children.The Doorbell Rang was named a Notable Book for Children by the American Library Association.

    Meet Polygon and Plane, Reflection and Rotation, Odd Number and his buddy Even Number and the three amigos Sine, Cosine and Tangent. Discover the secrets of their world and how they like to throw their numbers about. Bringing his charming manga-style artwork and tongue-and-cheek approach to explaining the basics, Basher brings a whole new spin to the world of higher math.

    Get a load of greedy Multiply, a big guy who hoards numbers together, and stand amazed by mysterious Pi, who goes on and on and on . . . to Infinity!   Multiply your number know-how with Basher’s unique one-stop guide to the building blocks of mathematics. Packed with top tips and memorable characters, this is an essential book for students ages 8 and up.

       This non-fiction picture book explores time and how we think about it in a different way - as a series of events in the natural world (some of them directly observable, others not) that take place in a given unit of time. Steve Jenkins' extraordinary illustrations will accompany this engaging look at time.

    Zip. Zilch. Nada. That's what all the other numbers think of Zero. He doesn't add anything in addition. He's of no use in division. And don't even ask what he does in multiplication. (Hint: Poof!) But Zero knows he's worth a lot, and when the other numbers get into trouble, he swoops in to prove that his talents are innumerable.

    This extraordinary book collects animal information not available anywhere else—and shows all 30 roosting holes, all 200 spots, and, yes!, all 1,000 baby seahorses in eye-catching illustrations. A book about picturing numbers and considering the endlessly fascinating lives all around us, Lifetime is sure to delight young nature lovers.

    How many stars were in the sky? A million? A billion? Maybe the number was as big as infinity. I started to feel very, very small. How could I even think about something as big as infinity? Uma can't help feeling small when she peers up at the night sky. She begins to wonder about infinity. Is infinity a number that grows forever? Is it an endless racetrack? Could infinity be in an ice cream cone? Uma soon finds that the ways to think about this big idea may just be . . . infinite.

    Perfect for visual learners! Simple, clear, practical, 26 Letters and 99 Cents teaches the most basic building blocks of life skills. Sit together with a child at home or in a preschool classroom and use coins and an alphabet sheet alongside this book to enjoyably teach ABCs and counting.In a starred review, School Library Journal said, “Children will enjoy manipulating money, numbers, and letters to correspond to the photographs in this book.”Readers can start from either side of the book. “Hoban’s crisp photo-essay presents images of upper- and lower-case letters beside objects beginning with that letter; reverse the book, and numerals are shown alongside coins that total that amount,” explained Publishers Weekly.

    Brenda Sexton's wild and wacky illustrations add layers of witty fun to LaRochelle's clever game. These wacky equations don't add up…or DO THEY?1 goat + 1 unicorn = 3 horns!1 set of triplets + 1 set of twins = 5 babies!1 duet + 1 quartet = 6 musicians!1 ant + 1 spider = 14 legs!1 century + 1 decade = 110 years!

    A reward of one grain of rice doubles day by day into millions of grains of rice when a selfish raja is outwitted by a clever village girl.

    Mr. Pig suggests eating out—but oh, no! The Pigs are out of money! So the family goes on a money hunt. In beds, under the carpet, even in the washing machine the coins and bills add up, and soon it’s off to the Enchanted Enchilada. How much money did the Pigs find? What can they afford to order from the menu? Join the fun and pig out on math and money concepts with the Pigs!

    But soon a trumpet makes a duet, a french horn a trio, and so on until the entire orchestra is assembled on stage. Written in elegant and rhythmic verse and illustrated with playful and flowing artwork, this unique counting book is the perfect introduction to musical groups. Readers of all ages are sure to shout “Encore!” when they reach the final page of this joyous celebration of classical music.