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数学课堂教学是师生、生生之间的多边活动,是以学生为主体的动态过程。在这一进程中,思维是开放的、多元的,其间充满悬疑和不确定性,因此经常会出现与课前预设不一致,甚至相矛盾的意外情况发生。如何将这些动态生成的课堂意外转化为有效的课堂教学资源,成为广大一线教师关注与探讨的一个话题。一、灵活调控,点石成金——化意外为精彩在教学“周期现象的规律”
Mathematics classroom teaching is a multilateral activity between teachers and students, students and students. It is a dynamic process with students as the main body. In this process, thinking is open and diverse. It is full of suspense and uncertainty. Therefore, it often happens that there are inconsistencies and even contradictions with pre-class preconceptions. How to turn these dynamically generated classroom accidents into effective classroom teaching resources has become a topic that the front line teachers pay attention to and discuss. First, the flexible regulation, point stone into the gold - the unexpected for the wonderful teaching “the law of the periodic phenomenon ”