Math matters

The Community Champs learn about the mean, median, mode, average, and range as they determine the best way to sell popcorn for a charity fundraiser.

"Beginning readers learn the essential math concept of subtraction . . . this volume makes it easy by using simple language and relatable examples . . . color photographs are included to highlight these examples to give beginning readers an idea of how to use subtraction skills in their everyday lives"--Provided by publisher.

"Early learners are introduced to the skill of adding things together in order to get a final sum . . . explained thoroughly and in a way that is easily understandable for young readers . . . color photographs of examples of adding are included to help enhance readers' understanding of this concept"--Provided by publisher.

"This . . . volume will cover the basic units of measurement in terms of length, weight, and time. It also explores the different kinds of measurement systems, which vary depending on what country you live in. . . . Photographs throughout the book provide . . . examples of real-world measurements and tools used in measuring"--Provided by publisher.

On a hot summer day, three children squabble over which ingredients and what quantities should go into their extra special lemonade.

When she spills her grandmother's button box, Kelly and her cousins try to sort them by size, color, and shape and they earn Grandma's gratitude.

While pondering how to buy her mother a birthday present with no money, Deena finds a penny and follows a process of discovery about how pennies add up to nickels, which add up to dimes, all the way up to four quarters making a dollar.

Pablo demonstrates how good he is at counting while helping his grandmother, his "abuela," prepare to sell vegetables at the market.

Initially unhappy that a summer growth spurt has made her the tallest third grader at school, Tina soon realizes the advantages of being able to jump, reach, and step farther than her peers.