This Plus That proves that life's total experience is always greater than the sum of its parts.This book can be used to introduce equations or even some basic life lessons. Its warm and amusing tone invites readers to come up with their own life equations, and it makes a creative gift.

    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.

    What if he doesn't make any new friends? Nervous kitties wondering about friends and school will enjoy laughing along with Splat the Cat!Just in case, Splat decides to bring along his pet mouse, Seymour, and hides him in his lunchbox. The teacher, Mrs. Wimpydimple, introduces Splat to the class and he soon starts learning all his important cat lessons.But when Seymour escapes and the cats do what cats do (they chase mice!), Splat's worried again. Maybe now he'll lose all his friends, old and new! Just in time, wise Mrs. Wimpydimple takes charge and teaches everyone an important new lesson.Maybe Cat School is going to be okay after all! A fun school story to share in the classroom or at home.

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

    A class trip to the beach becomes an underwater lesson about food chains when Arnold and Keesha are challenged to discover what a tuna fish sandwich and some smelly green pond scum have in common.

    A very picky eater, Gregory the goat refuses the usual goat diet staples of shoes and tincans in favor of fruits, vegetables, eggs, and orange juice.

    Nothing works until Mouse starts thinking mathematically. Wonderful illustrations capture Mouse and her animal friends from whiskers to tails.

    Bad trouble. The kind of trouble where it’s almost Thanksgiving…and you’re the main course. But Turkey has an idea—what if he doesn’t look like a turkey? What if he looks like another animal instead?After many hilarious attempts, Turkey comes up with the perfect disguise to make this Thanksgiving the best ever!Wendi Silvano’s comical story is perfectly matched by Lee Harper’s watercolors.

    Wrote The Sand Reckoner and Got Killed Being Rude, ante meridiem (a.m.), Donner and Blitz in German, One Million, Euclid Wrote The Elements, Squares, Pacific and Atlantic Oceans, Whales Are Not Fish, The “There Are Zero . . .” Game, Sets, the Popularity of Zero, Why Boats Are Cheaper to Rent in the Winter, Triangles, Herbivores and Carnivores, the Colors of the Rainbow, a King in Checkmate, the Story of the Titanic, ≠ (not equal), x + 4 = 7, One Thousand, Counting by Hundreds, Reading 3:05 on a Clock, Rectangles.

    Higgins as he dashes from hall--'twenty minutes past four'--up to attic--'twenty-three minutes past four'--down two flights to kitchen--'twenty-five minutes past four'--and up one to bedroom--'twenty-six minutes past four.'"--Kirkus Reviews, pointered review. Full color.

    The Queen has everything, everything except a bed. The trouble is that no one in the Kingdom knows the answer to a very important question: How Big is a Bed? because beds at the time had not yet been invented. The Queen's birthday is only a few days away. How can they figure out what size the bed should be?

    “The optimistic determination of the woman and the gentle humor of the illustrations make this an appealing book for the very young.”--School Library JournalThis title has been selected as a Common Core Text Exemplar (Grades K-1, Stories).

    Illustrates the concept of big, bigger, and biggest by comparing the physical measurements of such large things as a blue whale, a mountain, a star, and the universe.

    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.

    Do you see more than five jelly beans? Less than a million? This unique book will show you how to train your eyes and your mind to make really great estimations—by making estimating into a game. Jelly beans are just the beginning! This title has Common Core connections.Great Estimations is a 2007 Bank Street - Best Children's Book of the Year.