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In terms of educational concept, teachers also need to adapt to this change from large class teaching to small class teaching. Teacher training is particularly important. Schools can organize teachers to participate in training courses in small class teaching and learn the methods and skills of small class teaching, such as how to carry out personalized teaching and how to organize efficient group activities, so as to improve teachers' teaching ability to adapt to the new teaching mode.Schools can also relieve pressure by integrating resources. For example, make rational use of idle space on campus and transform it into classrooms, and share some educational resources through cooperation with the community. At the same time, improve the utilization rate of educational resources, such as using digital teaching equipment to reduce dependence on traditional teaching resources.This class size is also convenient to carry out inquiry learning. Every student has more opportunities to participate in discussions and experiments, and it is no longer a few students who dominate classroom interaction. In science class, 15 students can be divided into several groups to carry out experimental exploration, and each student can operate the instrument, observe the experimental phenomena and put forward his own opinions. This is helpful to improve students' scientific inquiry ability and innovative thinking ability.

1. Challenges and countermeasures of educational resourcesThird, the implementation challenges and coping strategies2. The change of social concept and educational concept

2. The change of social concept and educational concept