Counting is as easy as 1... 2... purple?... in this charming book of numbers from the creators of the #1 New York Times Best Sellers, The Day the Crayons Quit and The Day the Crayons Came Home. Poor Duncan can't catch a break! First, his crayons go on strike. Then, they come back home. Now his favorite colors are missing once again! Can you count up all the crayons that are missing from his box? From the creative minds behind the The Day the Crayons Quit and The Day the Crayons Came Home comes a colorful board book introducing young readers to numbers.

Prima Latina is a preparatory Latin course for young students who are still becoming familiar with English grammar. It is intended for teachers with no background in Latin and was developed for children in kindergarten thru third grade.

How do we love numbers? Let us count the ways: They're on street signs and bus stops, featured on phones, thermometers, chalkboards, and scales. They show the time and the date, and help us to measure distance, sizing, and so much more. This spirited picture book by beloved author-illustrator Taro Gomi will charm and inform the youngest of readers, offering them a unique—and useful—look at a key concept we count on. Plus, this is the fixed format version, which looks almost identical to the print edition.

This book explores arithmetic's underlying concepts and their logical development, in addition to a detailed, systematic construction of the number systems of rational, real, and complex numbers. 1956 edition.

This exploration of how people came to appreciate numbers traces the ways in which early humans gradually evolved methods for recording numerical data and performing simple calculations. Its profiles of ancient systems of recording numbers include Egyptian, Maya and Aztec, Chinese, Greek, and the techniques of other cultures. 1974 edition.

The hilarious, colorful #1 New York Times bestselling phenomenon that every kid wants! Gift a copy to someone you love today. Poor Duncan just wants to color. But when he opens his box of crayons, he finds only letters, all saying the same thing: His crayons have had enough! They quit! Blue crayon needs a break from coloring all those bodies of water. Black crayon wants to be used for more than just outlining. And Orange and Yellow are no longer speaking—each believes he is the true color of the sun. What can Duncan possibly do to appease all of the crayons and get them back to doing what they do best? With giggle-inducing text from Drew Daywalt and bold and bright illustrations from Oliver Jeffers, The Day the Crayons Quit is the perfect gift for new parents, baby showers, back-to-school, or any time of year! Perfect for fans of Don't Let the Pigeon Drive the Bus by Mo Willems and The True Story of the Three Little Pigs by Jon Sciezka and Lane Smith. Praise for The Day the Crayons Quit: Amazon’s 2013 Best Picture Book of the Year A Barnes & Noble Best Book of 2013 Goodreads’ 2013 Best Picture Book of the Year Winner of the E.B. White Read-Aloud Award * “Hilarious . . . Move over, Click, Clack, Moo; we’ve got a new contender for the most successful picture-book strike.” –BCCB, starred review “Jeffers . . . elevates crayon drawing to remarkable heights.” –Booklist “Fresh and funny.” –The Wall Street Journal "This book will have children asking to have it read again and again.” –Library Media Connection * “This colorful title should make for an uproarious storytime.” –School Library Journal, starred review * “These memorable personalities will leave readers glancing apprehensively at their own crayon boxes.” –Publishers Weekly, starred review “Utterly original.” –San Francisco Chronicle

Introduces the numbers from one to twenty and explores concepts, such as matching, sorting, and adding.

Our UK Commonwealth Editions have been reexamined to see how they align with UK education standards. Kumon offers four titles that support the Early Years Learning Stage curriculum and four titles that support Key Stage 1 curriculum. Give your child an edge in education with Kumon Workbooks.

The perfect bed time book for your smallest child who will love following these geckos' antics as they attempt to settle down for the night.

Geared toward undergraduate and beginning graduate students, this study explores natural numbers, integers, rational numbers, real numbers, and complex numbers. Numerous exercises and appendixes supplement the text. 1973 edition.