People with Type 1 diabetes use ratios every day. An insulin-to-carb ratio lets them know how much insulin they will need for meals and physical activities. Learn what it's like to live with this disease and gain an understanding of the importance of ratios! Packed with factual information and high-interest content, this nonfiction math 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 section at the end of the book prompts students to reflect and apply what they've learned. Demystify math with this leveled book that makes learning math fun and accessible for kids ages 10-12 and appeals to reluctant readers.