Hartmut Spiegel

Hartmut Spiegel is a Professor at the Department of Mathematics, University of Paderborn. His work focuses on mathematics education for primary schools, specializing in geometry, spatial reasoning, and symmetry. He designs educational games like Mirror Tangram and Mirakel to teach geometric concepts through hands-on activities.

His research emphasizes developing pedagogical tools and learning environments for children. Resources include downloadable teaching materials, game instructions, and methodological guides for educators. He maintains academic websites (mathematik-grundschule, potzklotz.de) hosting educational content and game information.