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课堂教学评价的基点是学生正在进行或已经进行的活动.对学生进行评价,不应拘泥一格,而是因时、因地、因人而异,既要及时捕捉评价契机,把握学生表现出来的点滴进步和可喜变化,又要学会灵活运用延时评价,留给学生充裕的时间,把进一步思考的权利交给学生,使学生在原有的基础上有所超越.1.前进遇到障碍时当学生在解题前进的道路上遇到障碍时,我们不妨引导学生“退”.根据一个结论在一般情况下成立时在特殊情况下也成立的道理,可以从一般退到特殊,运用特殊化的思想方法解决问题.特别是在求解数学
The basic point of classroom teaching evaluation is students’ ongoing or ongoing activities.On the evaluation of students should not be rigidly adhered to, but because of the time, place, vary, it is necessary to capture the evaluation of opportunities, to grasp the students show Of the progress and gratifying changes, but also learn to delay the use of flexible evaluation, leaving students plenty of time, the right to think further to students, so that students on the basis of the original beyond.1. When students encounter obstacles on the way to solving problems, we may as well guide the students to “retreat.” According to a conclusion, in normal circumstances, the principle established in special circumstances can be retreated from general to special use Specialized ways of thinking solve problems, especially in solving math