本文以“相似三角形”这节课为例,探究如何发挥教师的主观能动性,创造性地使用教材,培养学生的创新能力.对于相似三角形第一课时,教材上安排的内容较少,仅有相似三角形的概念和一个预备 This article uses “Similar Triangle” as an example to explore how to use teachers ’subjective initiative to creatively use teaching materials to cultivate students’ creative ability.For the first lesson of similar triangles, the contents of the textbook are less arranged, only Similar triangles concept and a preparation