微课视频不是一种简单的视频创作,而是新课程背景下一种新型的教学方式,是对学生的学习、教师的教以及教学内容和教学方式的一种全新的挑战,需要一种新教育理念的支撑。本文在了解微课的定义和特征的基础,分析微课对课程教学的意义,探究微课在小学数学教学中运用的有效策略。 Microteaching video is not a simple video creation, but a new teaching method under the background of new curriculum. It is a brand new challenge to students ’learning, teachers’ teaching, teaching contents and teaching methods, and requires a new Education concept support. This article is based on the understanding of the definition and characteristics of the micro-class, the significance of the micro-class to the teaching of the class, and the effective strategy of using the micro-class in the elementary mathematics teaching.