Dive into practicing addition and subtraction while learning all about whales! From narwhals to belugas, this math reader will intrigue students with high-interest content and will make learning mathematics fun and enjoyable. Vibrant images, simple practice problems, and clear mathematical charts and diagrams help make learning algebraic reasoning and operations easy. The DOK-leveled Math Talk section includes questions that facilitate mathematical discourse and activities that students can respond to at home or school. Let's Explore Math sidebars and the extensive Problem Solving section provide ample opportunities for students to practice what they have learned. The full-color book includes text features such as a glossary, index, bold print, and a table of contents to increase understanding and build academic vocabulary. Give students a "whale" of a time with this engaging grade 3 math reader!