Dinosaurs have fascinated the world for centuries. Some were extreme carnivores that were enormous and incredibly deadly. Others were extreme oddballs with strange adaptations. Learn all about lesser-known dinosaurs like Spinosaurus, Concavenator, and Argentinosaurus as you practice comparing and rounding decimals. This informational text builds math content knowledge and literacy skills, and uses real-world examples to help students explore math in a meaningful way. Text features such as a glossary, a table of contents, an index, and detailed images will increase understanding and develop academic vocabulary. Let's Explore Math sidebars, the Problem Solving section, and the math charts and diagrams provide extensive opportunities for students to practice what they have learned. The DOK-leveled Math Talk section includes questions that facilitate mathematical discourse, and activities that students can respond to at home or school. This high-interest text is sure to captivate readers as they are engaged in learning.