The purpose of this study is to investigate the application of the classroom in the middle school to the contrary. Flipped classroom do not simply entail a change in the learning stage, by which the students go to the activities class by group after watching the videos at home. All of the mechanisms in the classroom, including the role of teachers and students, are reversed upside down by minimizing the teacher s instruction time, and focusing on student opportunities for guided practice, performance, and reflection. The term “flipped”(upside down) means that so that students can pre-study what the teacher will cover in class. This way, class time can be devoted to an exploration of the materials, rather than on the delivery of lectures. Here, we provide a step-by-step description of the process of actually applying “flipped learning”to classroom instruction. First, the teacher provides the basic study video. Second, the students watch the basic study video. Third, students meet in class and study the materials collaboratively. Fourth, students make group presentations in class. Students should arrange the tasks presented by the teacher as they watch the basic study video and prepare solutions. Fifth, teachers and students close group presentations with a review. Sixth, teachers and students perform Course-centered assessment. Instead of evaluating the results after class, a process-based assessment is more desirable.