“同课异构”作为一种教学研讨形式,为广大教师搭建了一个畅谈教学思想、交流教学设计、展示教学风格的平台。在活动中,无论是执教者还是听课者,都受益匪浅。我们至德小学与石台实小开展了一次校际之间的“同课异构”活动,两位数学教师选择的课题是一年级下册《认识人民币》中的内容。本节课的重点是认识一元及一元以下的人民币、了解人民币的单位,难点是人民币单位之间的进率及相关的换算。两位老师牢牢抓住了 As a kind of teaching discussion form, “heterogeneous lectures” set up a platform for the majority of teachers to talk about teaching thoughts, exchange teaching design and display teaching style. At the event, both the coaching staff and the lecturers benefited greatly. Our elementary school and Shitai Elementary School conducted an inter-school heterogeneous class activity. The two mathematics teachers chose the topic of “recognizing the renminbi” in the second grade of the first grade. The focus of this lesson is to recognize RMBs below RMB 1 Yuan. Understanding the RMB units is a difficult point. The difficulty is the entry rate and the related conversion between RMB units. Two teachers firmly grasp