Explore what it takes to compete in one of the world's greatest races as you exercise your skills in division! Students will build their literacy skills and math content knowledge while engaged in reading about the mushers, the sled dogs, and the grueling Alaskan terrain that make up the Iditarod. This appropriately leveled grade 4 math reader integrates informational text and mathematics, and features problem solving and real-world connections that make learning division easy, relevant, and fun. Let's Explore Math sidebars and the extensive Problem Solving section provide ample opportunities for students to practice what they have learned. Text features such as a glossary, index, captions, and a table of contents increase students understanding and build academic vocabulary. The DOK-leveled Math Talk section includes questions that facilitate mathematical discourse and activities that students can respond to at home or school. With vibrant images, rigorous practice problems, and clear mathematical charts and diagrams, students will enjoy their race through Alaska as they practice division.