With this engaging book, students will learn about some of the most unique creatures of the deep. By solving equations and inequalities, students will explore how fast a sailfish can leap from the water, and how often a sea horse's dorsal fin flutters. 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 equations and inequalities and build their STEM skills.