Our Great Big World is a one-year world geography and literature course designed for students in grades 1 to 4. It combines the flexibility and richness of a unit study with the simplicity of a textbook-based approach. The Atlas Workbook has one activity page that goes along with each lesson in Our Great Big World. The activities focus on engaging map assignments, but also include puzzles and other activities that reinforce material from the lessons. One Atlas Workbook comes in the Curriculum Package. We recommend that each student have their own Atlas Workbook.