在数学教学中,讲与练是相辅相成的、不可分割的重要组成部分。平常所说的“精讲多练”“讲讲练练”就体现了数学教学的一种重要的方法。只有通过练习,教师才能及时发现和纠正学生的错误,更好地发挥主导作用,指导学生学习。同时,也有利于学生牢固地掌握旧知识,消化和巩固新知识,并养成良好的独立解题 In mathematics teaching, speaking and practicing are complementary, integral and important parts. Commonly referred to as “refinement and practice ” “talk about practice ” reflects an important method of mathematics teaching. Only through practice can teachers find and correct mistakes of students in a timely manner to better play a leading role in guiding students to learn. At the same time, it is also conducive to students to firmly grasp the old knowledge, digest and consolidate new knowledge, and develop a good independent problem-solving