Get to know the many species of whales and discover what makes them unique with this engaging e-book! This Spanish text combines mathematics and literacy skills, and uses practical, real-world examples of problem solving to teach math and language arts content. Students will learn addition and subtraction while engaged in reading about different species of whales including blue whales, orcas, narwhals, and many others. The full-color images, math graphs and charts, and practice problems make learning math easy and fun. The table of contents, glossary, and index will further 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.