What would we do without bridges? They allow us to cross over great heights and dangerous waters that would be inaccessible without bridges. But some bridges are more than a link between two places. From New York to Singapore, the stories of these bridges celebrate the engineers, architects, and the workers who built them. Learn about the world's famous bridges while learning fractions. 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 easy 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.