Bert Jovin is an amateur motocross racer. Learn what it takes to be successful in this high-intensity sport and practice using rational numbers on the ride. Packed with factual information and high-interest content, this adrenaline-boosting book uses real-world examples of problem solving to build students' math and reading skills. Let's Explore Math sidebars feature math questions that challenge students to develop their math skills. A problem-solving...