教学过程不仅是一个信息交流的过程,而且是一个情感交流的过程。数学活动应该是师生和谐互动、学生主动探究的动态过程。它应该突破预设的樊笼,变预设为生成与建构。在宽松愉快的情境中,在教师的引导下,学生经历和谐地探究知识,主动地应用已有的知识和经验,去探索新 Teaching process is not only a process of information exchange, but also an emotional exchange process. Mathematical activities should be a harmonious interaction between teachers and students, students take the initiative to explore the dynamic process. It should break through the default cage and change to default to build and build. In a relaxed and happy situation, under the guidance of teachers, students experience harmoniously exploring knowledge and actively applying existing knowledge and experience to explore new