一、激发兴趣,提高效率心理学认为,兴趣是力求认识和探索某种事物的意识倾向,兴趣是推动学生学习的内动力。多媒体课件的动态图形富于趣味性,深深地吸引了学生,有利于激发学生的求知欲,促进学生带着一种愉快的心情投入学习。例如,在讲“全等三角形”和“中心对称”时,计算机屏幕上给出一个三角形的“平移”、“旋转”;讲等腰三角 First, to stimulate interest and improve efficiency Psychology believes that interest is to seek to understand and explore a certain thing’s ideological tendency, interest is to promote student learning within the driving force. The dynamic graphics of the multimedia courseware is full of interest, which deeply attracts students and helps to stimulate students’ curiosity and promote students to participate in learning with a happy mood. For example, when talking about “congruent triangles” and “centrally symmetric”, a triangular “translation”, “rotation” is given on the computer screen;