This study is carried out in order to determine what a relation between different branch teachers' thoughts on nature of learning and these teachers' applied teaching activities in school exists. For this aim, observation rapports as data gathering instrument were created in order to assign teachers' teaching methods. Therefore, an interview was prepared to find out the thoughts about nature of learning. The observations and interviews were applied to 15 teachers working at different branches of different high schools like Ziya Gokalp High School, Nevzat Karabag Anatolian Teacher Training High School, Erzurum High School, Nenehatun Girls High School, Cumhuriyet High School, Kazim Karabekir Industrial Vocational High School, 3 Temmuz High School, MKB High School, Ataturk High School, Rifki Salim Burcak Girls Vocational High School and Ataturk Industrial Vocational High School which are under the authority of Erzurum Directorate of National Education. After the analyses of data, it was found that there is no harmony between teachers' thoughts on nature of learning and their teaching methods chosen in teaching and learning processes. (C) 2010 Published by Elsevier Ltd.