俗话说.良好的开端,是成功的一半.这无非是说,万事开头的重要性.新课开讲同样是非常重要的教学环节,有经验的教师大都很讲究新课的开讲艺术.因为新课开讲开得好,不但可以激起学生的学习兴趣和求知的欲望,而且能画龙点睛地帮助学生明确教学目的、掌握学习的重点,突破难点,从而增强学习的勇气和自信心.因此,我根据经验,博采众长,综合归纳出以下几种新课开讲方式:一、导入式.从复习旧课导人,或者从学生原有知识出发,自然引入新课.这种方式在数学教学 As the saying goes, a good start is half done, which is nothing more than the importance of everything at the beginning of the new class is also very important to teach about the teaching links, most of the experienced teachers pay attention to the new class open art because the new class Open lecture well not only arouse students' interest in learning and desire for knowledge, but also can help to clarify the teaching purpose, master the learning focus, break through the difficulties, so as to enhance the courage and self-confidence of learning.Therefore, I based on experience , Bocaizhongzhang, the induction of the following types of new courses to open a way: First, the introduction. From the review of the old class guide, or from the original knowledge of students, natural introduction of new courses .This way in mathematics teaching