Abstract: The problem of burden reduction has become the focus and must be solved thoroughly. As a front-line teacher, many factors have been found in the classroom in the usual educational and teaching research, the key factor is to worry about the examination, so this research topic is determined in order to solve the burden problem caused by the examination by studying and determining the "rich two-way breakdown table". At the same time, while studying and practicing, through classroom examples to improve classroom research, to provide a reference example for front-line teachers.

Key words: Class example, Enrich two-way breakdown table, Reduce burden and increase efficiency