练习是巩固和提升课堂教学效率的重要途径,数学学习更离不开练习的支撑,初中阶段的数学学习更是如此。由于初中学生的接受能力有限,面对很多较为抽象晦涩的内容,理解起来难免会有不小的困难,这必然会影响学生的数学成绩。而在教学中,如果我们设计具体的练习题予以辅助,不仅能够促进学生对新知的理解,更可在训练中 Practice is an important way to consolidate and enhance the efficiency of classroom teaching, mathematics learning can not do without the support of practice, especially in junior high school mathematics learning. Due to the limited acceptability of junior high school students and the face of many more abstract and obscure content, it is inevitable that there will be no small difficulty in understanding. This will inevitably affect the students’ math performance. In teaching, if we design a specific exercises to be assisted, not only to promote students’ understanding of new knowledge, but also in training