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背景介绍在数学教学中,概念、法则等的教学既是重点又是难点。这些知识具有一定的抽象性,给学生形成新的认识结构带来了困难。而多媒体辅助教学中动静结合的教学图像,能够创设逼真的教学环境、生动活泼的教学氛围,把一些原本枯燥无味的数学知识与数学技能,有声有色的展示出来,充分调动学生多种感官参与教学活动。若教师采用多媒体动态图象演示,不仅能把数学教学中抽象的、难以理解的知识通过形象
Background introduction In mathematics teaching, the teaching of concepts and laws is not only the key but also the difficult point. These knowledge have a certain degree of abstraction, to students to form a new cognitive structure has brought difficulties. The multimedia-assisted teaching combined with the static and dynamic teaching images can create a realistic teaching environment, lively teaching atmosphere, some of the original boring mathematical knowledge and mathematical skills, vividly displayed, and fully mobilize the students to participate in a variety of senses teaching activities. If teachers use multimedia dynamic image demonstration, not only can abstract, difficult to understand knowledge in mathematics teaching through the image