多媒体作为现代化教学手段之一,已越来越广泛地应用于各科教学之中。智障学生难以听懂老师讲课,运用多媒体教学不仅能吸引学生的注意力,培养他们的观察力,激发他们学习数学的兴趣和思考问题的激情,而且是培养他们形象思维能力的有效途径。一、巧运用多媒体,提高课堂效率智障学生尤其是低年级轻中度学生,好动、自制力较差,他们的思维能力和想象能力还处于初级阶段,且缺乏主动性,注意力容易分散。多媒体教学手段正好有效针对以上问题,通过精美的画面、漂亮的动画给孩子们提供出生动、形象的示范物、参照 As one of the modern teaching methods, multimedia has been applied more and more widely in all subjects. Mentally handicapped students can not understand the teacher’s lectures. The use of multi-media teaching can not only attract the students’ attention, develop their observation ability, stimulate their interest in learning mathematics and the passion of thinking questions, but also provide an effective way to train their image thinking ability. First, clever use of multimedia, improve classroom efficiency Mentally retarded students, especially the lower grades of light and moderate students, restless, self-control is poor, their thinking ability and imagination is still in its infancy, and the lack of initiative, attention easily dispersed. Multimedia teaching methods just to effectively address the above issues, through beautiful images, beautiful animation to give children a vivid, the image of the model, with reference to