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为了打破传统教学中学生单纯地被动接受的状况,新课程提出了“动手实践、自主探索与合作交流”的学习方式。学生在参与知识形成的过程中,自主操作、演示、观察、比较、理解、判断、归纳,从而发现新知。由于学习方式的改变,教师的教学方式必然改变,要成为“数学学习的组织者、引导者与合作者”。在教学实践中,特别是在公开的示范课上,我们较多地
In order to break the situation of students' passive acceptance in traditional teaching, the new curriculum proposes a learning method of “hands-on practice, self-exploration and cooperation and exchange”. Students participating in the process of knowledge formation, autonomous operation, demonstration, observation, comparison, understanding, judgment, induction, and thus find new knowledge. Due to the change of the way of learning, teachers' teaching methods must be changed and become the organizer, leader and collaborator of mathematics learning. In teaching practice, especially in the public demonstration class, we are more