Math matters

"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.

Jen learns about closeness and the measurement of distance in inches, feet, yards, and miles when she has to share a room with her little sister Lucy.

When Oscar enters a number of contests he learns to divide both the costs and the rewards with his friends.

When Max misplaces his digital watch, he replaces it with an analog watch that he does not know how to read and finds himself late for everything.