良好的开端是成功的一半。在课堂教学中,精彩的新课导入是课堂教学的关键,也是打开新知学习之门的钥匙。如何在新课教学之初,让学生对教学内容兴趣浓厚,直接决定着一堂课的成败。高中数学课堂尤其如此,其教学环节中的导入更是触发学生学习热情,开启学生思维的灵丹妙药,在新课教学中起着至关重要的作用。那么,如何在数学教学中,设计生动有趣、富有艺术性和启发性的开端,有效 Well begun is half done. In classroom teaching, the wonderful introduction of new courses is the key to classroom teaching, but also the key to open the door of new learning. How to make students have a keen interest in teaching contents at the beginning of the new course, which directly determines the success or failure of a course. Especially in high school mathematics classroom, the introduction into the teaching link is the miraculous medicine that triggers students ’enthusiasm for learning and opens students’ thinking. It plays a vital role in the teaching of new courses. So, how to design a vivid, entertaining, artistic and inspiring beginning in mathematics teaching, effective