“懂而不会”现象普遍存在于数学学习过程中,表现为学生课上听得懂,课下不会做题,不能有效地将所学知识进行迁移运用。教师应该在使学生“听懂”的基础上,教会学生举一反三,使之达到“会数学”的境界。 “Understand rather than ” Phenomenon widespread in the process of mathematics learning, manifested as students understand the lesson, under the class will not do the problem, can not effectively transfer their knowledge to use. Teachers should make the students “understand ” on the basis of teaching the students to match the three, so that it will “will be mathematics ” realm.