数学是高中最难的学科，高三是高中教学中最为关键的时刻，那么对教师来说，高三数学教学工作就是最有挑战性的了。在减负和成绩的双重压力下，高效率的课堂教学已经成为教育界的关键问题。数学理解是掌握数学的实质，是数学教学的核心问题。数学教学就应该以促进数学理解为目标展开，而精讲精练就是实现这个目标的桥梁。精讲精练就是教师的巧妙指导，核心讲解与学生科学练习，合作学习相结合的教学方法。一种好的教学方法的产生，必须经过教学实践的考验，发现不足后加以修改，然后再实践这种反复循环的过程。自从2008年秋季开始，精讲精练教学方法就在辽宁省盘锦市部分中小学使用，促使盘锦市的高考成绩有了飞跃式的进步。本文通过查阅文献了解数学理解的含义和研究现状，从教学提问，精讲，精练和反思四个方面研究了促进数学理解的的教学方法，并以辽宁省盘锦市大洼县高级中学三届毕业生作为教学实验对象，对这三届学生的数学成绩做了科学的分析，力图客观公正地反映教学实验效果。同时提出来为促进数学理解的教学而需要进行的后续工作：教师的教学能力和教学材料的组织编写。

Mathematics is the most difficult subject in senior high school. Middle School is a high school education is the most critical moment. High school mathematics teaching job is the most challenging for the teachers. Double pressure in burden and achievement, the teaching efficiency has become the key issue of the educational circles. Mathematical understanding is to master the mathematical essence, is the core problem in mathematics teaching. Mathematics teaching should be to promote mathematical understanding as the goal, efficient teaching and practice is to achieve this goal. The teaching method of efficient teaching and practice is to improve teaching efficiency and produce, skillfully guide from teachers and students to practice, explain the core, combined with cooperative learning.A good teaching method, must pass through the teaching practice, found that the lack of modified, and then practice this repeated cycle. Beginning in the fall of 2008, the teaching method was used in elementary and middle schools. In this paper, through the meaning and current research literature about mathematics understanding, from teaching, lecturing, four aspects of scouring and reflection of improving teaching methods of mathematical understanding. Scientific analysis tries to objectively reflect the teaching effect. At the same time carry out follow-up are required to promote understanding in Mathematics Teaching: teaching ability of teachers and teaching materials compiled.