Learn algebraic reasoning, fractions, and operations with these engaging math books! These texts combine mathematics and literacy skills and use practical, real-world examples of problem solving to teach math and language arts content. Text features include a table of contents, glossary, and index to increase understanding of math and reading concepts. The Math Talk problems and Explore Math sidebars provide additional learning opportunities while developing students' higher-order thinking skills. With full-color images, math charts and graphs, and practice problems, these high-interest nonfiction books make learning fun and easy. This 10-book set includes: The History of Number Systems: Place Value; Amazing Animals: Wild Whales: Addition and Subtraction; Your World: Shopping Secrets: Multiplication; STEM: The Science of Travel: Multiplication; Travel Adventures: Carlsbad Caverns: Identifying Arithmetic Patterns; Fun and Games: Planning a Perfect Party: Division; Amazing Animals: Critter Camp: Division; Spectacular Sports: World's Toughest Races: Understanding Fractions; The History of Victorian Innovations: Equivalent Fractions; and Art and Culture: Desserts Around the World: Comparing Fractions.