Information about the title: Structure The chapter introduction pages feature special photos as eye-catchers, providing a motivating start. The foundational knowledge pages convey subject knowledge with age-appropriate, well-structured texts and corresponding visual materials. A line counter aids in orientation and simplifies working with the texts in class. The Material-Method-Practice (MMP) pages turn the book into a workbook. MMP pages introduce and apply the central subject methods. Another focus is on material-based tasks, which cover all competency and requirement areas. Gecko tasks are more challenging assignments marked with a gecko, accompanied by differentiation aids. Review & Understand: Students revisit the subject content of the chapters based on the core concepts. The Test Yourself pages facilitate independent learning.