This paper is aimed abstract the planning points in combined classes as the learnig space by investigation of learning activities . 11 cases in 6 School were investigated and then simulated the learning activity in other learning cases. Learning activities are classified into lecturer, discussion, exercise and practice. Some conclusions are follows; ・In combined classes, teachers and school children devise the layout of their desks and blackboards to keep away from disturb each grade. ・When there are two grades in one classroom, it is agreeable to set up another learning comer for the conversion of learning activities.
