Dinosaurs were amazing reptiles. These beasts existed during the Mesozoic era. You've probably heard of dinosaurs like Brontosaurus and Tyrannosaurus Rex. But what about Titanosaurus and Rhinorex? Or, Kosmoceratops? How about Allosaurus, and Utahraptor? Learn all about these extreme dinosaurs as you compare and round decimals! This nonfiction reader seamlessly integrates the teaching of math and reading, and uses real-world examples to teach math concepts. Text features include images, a glossary, an index, captions, and a table of contents to build students' vocabulary and reading comprehension skills as they interact with the text. The rigorous practice problems, math charts and diagrams, and sidebars extend learning and provide multiple opportunities for students to practice what they have learned. The Math Talk section provides an in-depth problem-solving experience.