同样年龄的孩子由于在心理特征、家庭背景及教育环境等方面的差异,认知水平也参差不齐,因此在解决问题时,往往表现出不同的方法和能力水平。在课堂上经常会表现出一些差异,因此,教师要提前备好学情,了解学生的知识储备、认知能力,设想可能出现的不同情况,研究学生在理解每个知识点上可能出现的状况,采用什么样的方法疏导更有效,及时作出引导和调控。 Children of the same age have different cognitive levels because of their differences in psychological characteristics, family background and educational environment. Therefore, when solving problems, they often show different methods and abilities. Therefore, teachers should prepare learning situation well in advance, understand the students ’knowledge reserve, cognition ability, envisage the different situations that may appear, and study the students’ possible state of understanding each knowledge point, What kind of methods to use to guide more effective and timely guidance and control.