Meet the masters of abstract art! Students will take a close look at the lines, rays, and angles found in modern art as they read about influential artists like Josef Albers, Wassily Kandinsky, and Sophie Taeuber-Arp. By examining the simple shapes in modern paintings, students will gain confidence in their geometry skills through rich tasks that promote reasoning and critical thinking as they explore mathematics in a meaningful way. This full-color math reader integrates math and literacy skills, and includes full-color images and mathematical charts and diagrams that help make learning geometry simple, engaging, and fun. The book includes text features such as a glossary, index, bold print, and a table of contents to increase understanding and build academic vocabulary. The extensive Problem Solving section and Let's Explore Math sidebars provide numerous opportunities for students to practice what they have learned. The DOK-leveled Math Talk section facilitates mathematical discourse and higher-order thinking skills with questions that students can respond to at school or home. Learning angles is fun and easy with this engaging grade 4 math reader!