数学具有高度的抽象性,严密的逻辑性和广泛的应用性,而初中生的思维正处于以具体形象思维为主要形式向以抽象逻辑思维为主要形式逐步过渡的阶段,数学知识的抽象性与学生认识的具体现象之间存在着矛盾,因此,在初中数学教学活动中,应以问题情境为主线,通过创造问题情境来调动学生思 Mathematics has a high degree of abstraction, strict logic and a wide range of applicability, and junior high school students thinking is in the concrete form of the main form of thinking to abstract logical thinking as the main form of the gradual transition phase, the mathematical abstraction of knowledge and There are contradictions between the specific phenomena of students ’cognition. Therefore, in the junior high school mathematics teaching activities, the problem context should be the main line, and students’ thinking should be mobilized by creating the situation context