Mexico has a long history of tradition and culture. The Olmec, Zapotec, Maya, Aztec, and Toltec were some of the first people to live in Mexico. These people left behind many artifacts that help us learn about their lives. They include buildings, tools, sculptures, pottery, and clothing. Explore these historical links to the people of Mexico as you learn measurement. This nonfiction book combines math and literacy skills and uses everyday examples of problem solving to teach subject area content. The full-color images, math charts and diagrams, sidebars, and practice problems make learning math relevant and fun. Text features include a table of contents, glossary, and index to increase understanding of math and reading concepts. An in-depth problem-solving section provides additional learning opportunities while challenging students' higher-order thinking skills.