Previous studies have stated that jeans were useful teaching material to help students understand the influence of globalization on our daily consumption. The purpose of this study is to clarify students’ interaction in home economics lessons regarding consumer life and daily consumption. The lessons using jeans as teaching materials took place between November and December 2010 at a high school in a metropolitan area. A discourse analysis was carried out to clarify students’ interaction during discussion.The theme of the discussion was “We need low-price jeans (850 yen).” Small groups of high school students were involved in preparing the debate.The purpose of the pre-debate lesson was to discuss the advantages and disadvantages of the low-price jeans (850 yen). The statements of three members of the focus group were analyzed and it was found that students were able to understand both the advantages and disadvantages of low-price jeans.The processes for collecting students’ statements were clarified and the researchers found that the three students discussed the matter very well.