Students will learn fractions while engaged in reading about the world's toughest races. This Spanish math reader integrates math and literacy skills, combining informational text, problem-solving, and real-world connections to help students explore mathematics in a meaningful way. Vibrant images, simple practice problems, and clear mathematical charts and diagrams help make learning fractions simple and fun. The book includes text features such as a glossary, index, bold print, and a table of contents to increase 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. Let's Explore Math sidebars and the extensive Problem Solving section provide ample opportunities for students to practice what they have learned. This engaging grade 3 math reader will teach students what it takes to conquer a world-class course, fraction by fraction!