The workbook "Klartext 6. Differentiated General Edition" offers a structured and systematic approach to German language instruction for lower secondary education. It is specifically designed to support individual development and inclusion. The clear structure with thematic chapters allows learners to engage with the content in a targeted manner. The differentiation concept takes into account different skill levels, enabling all learners to be supported according to their abilities. Cooperative learning methods leverage the heterogeneity of learning groups as an opportunity to promote exchange and collaborative learning. Additionally, the workbook provides differentiated options for competency assessment and includes transparent guidelines for self- and peer-evaluation of performance, helping learners reflect on and manage their progress.