Well-equipped for G9: Lambacher Schweizer Niedersachsen More exercises for practice, deepening, and networking. Exercises, exercises, exercises - this is what makes a good mathematics textbook even today. Numerous tasks for different learning levels assist in practicing and securing the learning material. This way, your students gain confidence. Differentiation at three levels. The new Lambacher Schweizer offers optimal differentiation options with its clear concept and the classification of tasks into three levels. This allows you to address each student individually in class. Test elements for self-assessing learning progress. Elements like "Secure in the chapter," "Are you already secure," "Can you still do this," and "Training" help to review previous material and reinforce and recap the new content.