作为课堂教学的开端,导入的方式奠定了一堂数学课的基调,或新奇,或枯燥,或热烈,或平淡,直接影响到学生学习一堂数学课的情感,甚至影响到学生的课堂学习时思维的主动性.数学教师的课堂导入行为是课堂教学的重要环节,应当立足于学生的主体地位,以学生的视角为起点设计情景,提出问题,以最大的灵活性和创造性激发和促进学生学习. As the beginning of classroom teaching, the way of introduction has laid the tone of a math class, or novelty, or boring, or warm, or plain, directly affect the students to learn the emotion of a math class, and even affect students’ thinking in class learning Initiative.Mathematics teachers’ classroom introduction is an important part of classroom teaching, which should be based on the dominant position of students, starting from the students’ perspective as a starting point to design scenarios, raise questions and stimulate and promote students’ learning with maximum flexibility and creativity.