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一堂高级别的公开课上,授课教师将原有的教学设计的关键环节调整了,使走向成功的公开课彻底失败。《可能性大小》是北师大版小学数学三年级上册的内容,这是一次校际公开课,听取这节课的有市数学理事会成员、教研室领导及同行二十多人,这是一次规格比较高、规模比较大的数学研讨活动。承担这次公开课的是一位平时教风严谨,课堂教学扎实的骨干教师。从教学设计可以看出教师课前认真研读了教材,吃透了教材,有效地利用了文本资源,驾驭文本的能力亦很强。
In a high-level open class, the lecturer adjusts the key aspects of the original instructional design so that the successful open class fails completely. “Probability” is the content of the third grade of Beijing Normal University primary school mathematics, this is an inter-school open class, to listen to this class has a city of mathematics council members, teaching and research team leaders and peers more than 20 people, this is a Higher specifications, relatively large-scale mathematical seminars. Undertake this open class is a peacetime teaching style, solid classroom teaching backbone teachers. It can be seen from the instructional design that teachers carefully read the teaching materials before class, thoroughly understand the teaching materials, effectively utilize the text resources and have a strong ability to control the texts.