“良好的开端是成功的一半。”导入情境的创设是数学课堂教学的第一环节,巧妙而恰当的情境创设能吸引学生的注意力,激发学生的学习动机和兴趣,从而使学生在良好的状态下积极主动地参与知识的发现与探索。 “Good start is half of the success. ” The creation of the imported situation is the first part of the mathematics classroom teaching, clever and appropriate situation creation can attract students ’attention, stimulate students’ motivation and interest in learning, so that students in the In a good state to actively participate in the discovery and exploration of knowledge.