{"publication":"Proceedings of the 37th conference of the International Group for the Psychology of Mathematics Education (PME). Volume 5","citation":{"chicago":"Hattermann, Mathias, Rudolf vom Hofe, and Harry Kullmann. “An Innovative Approach to Negative Numbers.” In <i>Proceedings of the 37th Conference of the International Group for the Psychology of Mathematics Education (PME). Volume 5</i>, edited by Anke M. Lindmeier and Aiso Heinze, 71. Kiel: PME, 2013.","short":"M. Hattermann, R. vom Hofe, H. Kullmann, in: A.M. Lindmeier, A. Heinze (Eds.), Proceedings of the 37th Conference of the International Group for the Psychology of Mathematics Education (PME). Volume 5, PME, Kiel, 2013, p. 71.","ieee":"M. Hattermann, R. vom Hofe, and H. Kullmann, “An innovative approach to negative numbers,” in <i>Proceedings of the 37th conference of the International Group for the Psychology of Mathematics Education (PME). Volume 5</i>, A. M. Lindmeier and A. Heinze, Eds. Kiel: PME, 2013, p. 71.","apa":"Hattermann, M., vom Hofe, R., &#38; Kullmann, H. (2013). An innovative approach to negative numbers. In A. M. Lindmeier &#38; A. Heinze (Eds.), <i>Proceedings of the 37th conference of the International Group for the Psychology of Mathematics Education (PME). Volume 5</i> (p. 71). PME.","bibtex":"@inbook{Hattermann_vom Hofe_Kullmann_2013, place={Kiel}, title={An innovative approach to negative numbers}, booktitle={Proceedings of the 37th conference of the International Group for the Psychology of Mathematics Education (PME). Volume 5}, publisher={PME}, author={Hattermann, Mathias and vom Hofe, Rudolf and Kullmann, Harry}, editor={Lindmeier, Anke M. and Heinze, Aiso}, year={2013}, pages={71} }","ama":"Hattermann M, vom Hofe R, Kullmann H. An innovative approach to negative numbers. In: Lindmeier AM, Heinze A, eds. <i>Proceedings of the 37th Conference of the International Group for the Psychology of Mathematics Education (PME). Volume 5</i>. PME; 2013:71.","mla":"Hattermann, Mathias, et al. “An Innovative Approach to Negative Numbers.” <i>Proceedings of the 37th Conference of the International Group for the Psychology of Mathematics Education (PME). Volume 5</i>, edited by Anke M. Lindmeier and Aiso Heinze, PME, 2013, p. 71."},"type":"book_chapter","department":[{"_id":"556"}],"place":"Kiel","date_created":"2022-04-05T10:19:10Z","date_updated":"2026-08-20T12:47:42Z","publication_status":"published","year":"2013","title":"An innovative approach to negative numbers","status":"public","jel":["I24"],"author":[{"full_name":"Hattermann, Mathias","first_name":"Mathias","last_name":"Hattermann"},{"full_name":"vom Hofe, Rudolf","first_name":"Rudolf","last_name":"vom Hofe"},{"full_name":"Kullmann, Harry","last_name":"Kullmann","first_name":"Harry","orcid":"0000-0001-5488-5105","id":"77972"}],"user_id":"105186","editor":[{"first_name":"Anke M.","last_name":"Lindmeier","full_name":"Lindmeier, Anke M."},{"first_name":"Aiso","last_name":"Heinze","full_name":"Heinze, Aiso"}],"page":"71","_id":"30763","publisher":"PME","language":[{"iso":"eng"}]}