Active and differentiated mathematics instruction that supports all children brings mathematics to life. Students discover mathematical structures in everyday situations and learn to generalize and apply them. Holistic approaches make the connections visible. With the available diagnostic tools, you can easily determine the learning and development status of each child and provide individual support. Active discovery learning and practical exercises. Concrete projects allow for a great deal of independent work. Both structured and automating tasks make students aware that practice is a central and integral part of mathematics instruction. Geometry, measurement, and practical arithmetic. In student-centered teaching, geometry and measurement play an important role.