Often, suitable and quickly applicable exercises that can be used in heterogeneous learning groups without much preparation are missing from the teaching topic. This collection provides a solution! For each topic, you receive three pages: The first page presents the respective fundamental mathematical concepts. This page can be used as a template for a slide or as a basis for developing a blackboard illustration. The second template contains varied, playfully designed exercises at increasing levels of difficulty. The third page includes the solutions; it can also be used as a template and given to the students for self-checking. The exercises cover the content of grade 4, and the task formats have been chosen according to the educational standards in the subject of mathematics. Thanks to the clear and concise presentation, the materials are easy to understand and quick to implement.