《三角形的认识》是“图形与几何”领域的重要内容之一。通过教学,要让学生加深对三角形的特点和高的认识,为后续平面图形的学习打下基础,同时也让学生积累一些认识图形的活动经验和方法。笔者在教学时,从如何让学生深刻理解教学内容,促进思维发展这一角度出发,着重体现了以下几个方面。一、关注知识基础,沟通内在联系世界是一个普遍联系着的有机整体,任何事物都不会 Triangular Awareness is one of the highlights in the areas of Graphics and Geometry. Through teaching, students should be encouraged to deepen their understanding of the characteristics and high awareness of triangles and lay a solid foundation for further study of graphic graphics. At the same time, students should also be encouraged to accumulate experience and methods of activities for understanding graphics. The author in teaching, from how to enable students to deeply understand the teaching content, to promote the development of thinking this point, focuses on the following aspects. First, pay attention to the knowledge base, communicate the inner link The world is a universally connected organic whole, nothing will