The aim of this paper is to pick up three primary schools as representatives of studying the construction of social studies lessons by school teachers, to analyze a view of social studies education, the unit of primary social studies and a lesson and to abstract the principles from the unit and its lesson. In this research we analyze the unit and its lesson of social studies in three primary schools; Akebono primary school in Fukuyama city, Hiroshima prefecture, Michinoue primary school in Fukuyama city, and Akasaka primary school in Fukuoka city, Fukuoka prefecture. Following the first paper about Akebono primary school, in this paper we take up the social studies in Michinoue primary school using problem-solving model.