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差生在应用数学知识解决物理问题中出现的运算障碍,是导致学生学习物理困难的一个不可忽视的因素,它是差生学习物理的一块“绊脚石”,在农村初中这一问题尤为突出.近年来,针对这一问题,笔者意识到在物理教学中教师有必要想方设法帮助差生排除学习物理的运算障碍,使学生比较顺利地利用数学知识解决简单的物理问题,从而有利于大面积提高初中物理教学质量,为此笔者作了一些尝试,现简介如下.
The operational obstacles that poor students have in applying mathematics knowledge to solve physics problems are a factor that can cause students to learn physics difficulties. It is a “stumbling block” for poor students in learning physics. This problem is particularly acute in rural junior middle schools. In response to this problem, the writer realized that in physics teaching, teachers need to find ways to help poor students rule out the obstacles to learning physics, so that students can use mathematics knowledge more easily to solve simple physical problems, which will help improve the quality of junior middle school physics teaching. For this reason, the author made some attempts.