数学课堂的有效导入是课堂教学的一个重要环节,可以活跃课堂气氛、充分调动学生学习的积极性、激发学生的学习兴趣,使学生在课堂之初就以最佳的学习状态进入课堂,它对教学的效果起着关键性的作用。一方面能引起学生听课的注意,安定学生的情绪;另一方面能激发兴趣,引发学习动机;再一方面还能起着承前启后,建立知识联系的作用。因此,一个有效的、新颖的、精致的导入,不仅可以强化学生初萌的好奇心,吸引学生迅速进入本堂课的学习之中,还 The effective introduction of mathematics classroom is an important part of classroom teaching, which can activate the classroom atmosphere, fully mobilize the enthusiasm of students to learn and inspire their interest in learning so that students can enter the classroom with the best learning status at the beginning of the classroom. The effect plays a crucial role. On the one hand, it can arouse the attention of the students in lectures and stabilize the emotion of the students; on the other hand, it can stimulate the interest and lead to the motivation of learning. On the other hand, it can also play the role of establishing the knowledge connection. Therefore, an effective, innovative and sophisticated import can not only enhance the students’ curiosity but also prompt students to enter the classroom.