The History of Mail: Data

People have been sending mail for a long time. But how they do it has changed a lot! Read about the history of mail as you learn to collect data. This nonfiction math book combines math and reading skills, and uses real-life examples of problem solving to teach subject-area content. The dynamic images, detailed sidebars, practice problems, and math diagrams make learning data measurement easy and fun. Text features include a table of contents, a glossary, an index, and captions to build voc...