You use a toilet every day, but have you thought about the history of them? Let's dive deep into the hidden world of toilets! Examine the inner workings of your everyday toilet, and peek at toilets around the world. Learn why the lack of clean toilets in developing countries is a critical global issue.

Students will develop their skills at calculating volume as they are engaged in reading high-interest nonfiction content. This Spanish math reader integrates math and literacy skills, combining informational text, problem-solving, and real-world connections to help grade 5 students explore mathematics in a meaningful way.

• Text features include a table of contents, a glossary, an index, and detailed images to develop academic vocabulary and critical literacy skills.
• The Problem Solving section and Let's Explore Math sidebars provide ample opportunities for students to practice what they have learned.
• The DOK-leveled Math Talk section provides rich tasks that facilitate mathematical discourse and promote reasoning and higher-order thinking.

Aligned to Common Core State Standards, TESOL/WIDA, and other standards, this dynamic title makes learning volume fun and easy.