论文部分内容阅读
比较法是人们在区分事物异同,了解事物特点和属性,把握事物之间联系的重要手段之一。在教学中,正确地运用比较法,可以使学生更好地理解和掌握所学知识。在教学实践中,我注意运用比较法,收到较好效果。下面谈几点认识。 1.运用比较法建立图形概念。正确地说明图形特征需要有一个从具体到抽象的概括过程,对此,学生感到困难。正确使用比较法就能较好地解决这一难题。比如,在教学中要求学生掌握平行四边形、梯形、长方形、正方形特征,可将这几种图形相比
Comparative law is one of the important means for people to distinguish the similarities and differences of things, understand the characteristics and attributes of things, and grasp the connection between things. In teaching, the correct use of comparative law, can make students better understand and master the knowledge. In teaching practice, I pay attention to the use of comparative law, received good results. Here to talk about some understanding. 1. The use of comparative law to establish the concept of graphics. It is difficult for students to correctly interpret the graphic features that require a generalization from concrete to abstract. Correct use of comparative law can better solve this problem. For example, in teaching students are required to master the parallelogram, trapezoid, rectangle, square features, these figures can be compared