论文部分内容阅读
三角形是常见的一种图形,在平面图形中,三角形是最简单的多边形,也是最基本的多边形。因此把握好这部分内容的教学不仅可以从形的方面加深学生对周围事物的理解,发展学生的空间观念,也为以后学习图形的面积计算打下基础。这部分内容我们很多的老师在教学时都会按照教材编排,顺
Triangle is a common kind of graphic. Triangles are the simplest polygons and the most basic polygons in plane graphics. Therefore, grasping this part of the content of teaching can not only deepen students ’understanding of the surrounding things from the aspect of shape, develop students’ concept of space, but also lay the foundation for calculating the area of graphics afterwards. This part of our many teachers in teaching will be arranged according to the teaching materials, Shun