Information on the series edition: Clear structure: systematic, integrative, and differentiated development of basic knowledge in the main learning area with "Testen dich!" pages. Link with the second learning area and parallel differentiation on demand and promote pages. Class test training or project proposals on "Fit in..." pages. Basic principles: diagnosing, differentiating, teaching competences. Free online diagnosis. Consistent differentiation at different levels. Transparency of learning: advance organizer, self-diagnosis. Process-oriented preparation for class tests. Independent and cooperative learning. Differentiating and promoting: support materials in the folder. The folder offers support material for weaker pupils at middle school types. The self-explanatory templates can be used as a supplement in class or for self-learning.