Everyone knows about Saturn's rings. Meanwhile, the rings of Jupiter, Uranus, and Neptune don't get the attention they deserve. The story of how astronomers discovered these four planets--and their rings--is a fascinating one. Learn how each planet's rings were formed, what they are made of, and how old they are.

This math reader integrates math and literacy skills, combining problem solving and real-world connections to help sixth grade students explore mathematics in a meaningful way.

• Let's Explore Math sidebars and a Problem Solving section provide opportunities for students to practice what they have learned
• The DOK-leveled Math Talk section provides critical thinking questions to help facilitate rich discussions while developing speaking and listening skills
• Advanced text features develop academic vocabulary and critical literacy skills