research action are actual classroom lessons with students,but typically share five special characteristic
The observing teachers may include just the faculty within a school, or a wider group; some research lessons are open to teachers from all over Japan.2. Research lessons are planned for a lo
Makoto Yoshida's ethnography followed lower-grade teachers as they focused on the specific topic of how to introduce subtraction with borrowing These teachers talked about how to shift toward a "problem-solving" approach in mathematics
they would use to introduce subtraction with borrowing, designed new manipulatives that provided a better window into student thinking, and taughtresearch lessons observed and discussed by the entire faculty.