A tour of the ancient and modern wonders of the world becomes an adventure in learning geometry! Students will explore mathematics in a meaningful way by examining the shapes and symmetry of places like the Taj Mahal, Machu Picchu, the Lighthouse of Alexandria, the Hanging Gardens of Babylon, the Colosseum, and the Great Wall of China. This full-color grade 4 math reader builds literacy and math content knowledge while introducing students to new concepts and vocabulary terms. Let's Explore Math sidebars, the Problem Solving section, and the mathematical charts and diagrams provide extensive opportunities for students to practice what they have learned. Text features such as a glossary, index, bold print, and a table of contents increase understanding and build academic vocabulary. The DOK-leveled Math Talk section includes questions that facilitate mathematical discourse and activities that students can respond to at home or school. Take a tour of the wonders of the world with this high-interest text that is sure to captivate readers.