《数学课程标准》使用了“经验、体验、探索”等目标动词,这就要求学生获取的数学知识必须通过亲身经历、亲身体验等活动来实现,而这些数学活动的开展,要以创设生动有趣的情境为前提。因此教师必须 Mathematical Curriculum Standard uses the target verbs such as Experience, Experiential, Exploration and so on. This requires that the mathematical knowledge acquired by students must be realized through personal experience and personal experience. The development of these mathematical activities should be based on creation Vivid and interesting situation as a precondition. So teachers must