教师通过适当的方法引入一节课的教学内容，对于调动学生求知欲，激发学生学习动机、兴趣，对整节课教与学的成功有不容低估的作用。义务教育初中数学教材注意了新课的引入，这就要求教师充分领悟教材编写意图，在教学中结合学生实际情况，巧妙地引入新课，让学生在不知不觉中 Teachers’ introduction of the teaching content of a class through appropriate methods is an indispensable role in mobilizing students’ curiosity and stimulating students’ learning motivation and interest, and the success of teaching and learning throughout the entire class. Compulsory education junior high school mathematics textbooks pay attention to the introduction of new classes, which requires teachers to fully comprehend the intention of textbook compilation, combine the actual situation of students in teaching, and subtly introduce new classes so that students can unknowingly