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【使用教材】人教版九义初中《几何》第三册。【教学目标】1.随着对图形的演化的研究,使学生对圆幂定理的理解层层推进,螺旋上升,整体掌握,从而能灵活应用;2.让学生学会联想、类比、化归等数学思想方法,培养他们探索和发现的能力;3.唤醒学生的主体意识,激发学生学习数学的兴趣
【Using Teaching Materials】Teaching Edition Jiuyi junior high school “Geometry” Volume III. [Teaching Objectives] 1. With the study of the evolution of graphs, students will advance the understanding of the circle power theorem, spiral up, master the whole, so that they can be flexibly applied; 2. Let students learn association, analogy, return, etc. Mathematical thinking and methods to develop their ability to explore and discover; 3. To awaken students’ subjective awareness and stimulate their interest in learning mathematics