If you want to fly in a hot air balloon, you need to understand the volume of the balloon and the basket. With this book, you'll learn about volume as well as the mechanics of hot air balloons. You'll also determine how much weight a hot air balloon can carry. With vibrant photos, math charts and diagrams, grade-appropriate text, and informational text features to help navigate the text, students will learn practical, real-world applications of math skills as they learn volume and build their STEM skills.