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【教材分析】本课“找规律”是对一些简单周期现象中的规律探讨,即根据规律性的数学现象,确定某个序号所代表的是什么物体或者图形。周期现象是周而复始、依次不断、循环出现的一种可以找出规律性的现象。在注重自主学习和合作学习活动的开展中,引领学生发现周期中元素的个数、排列次序,进而发现其中呈现的规律,学会发现规律,能够遵循规律,从而利用规律做出准确的推断,获得思维的严密性和准确性。
【Textbook Analysis】 This lesson “find the law ” is to explore the law of some simple periodic phenomena, that is, according to the mathematical phenomenon of regularity, to determine what a number represented by what objects or graphics. Cycle phenomenon is repeated, followed by continuous, a recurrence of the phenomenon of regularity can be found. In the focus on self-learning and cooperative learning activities, leading students to discover the number of elements in the cycle, order, and then find the law presented in it, learn to discover the law, to follow the law to make accurate inferences made by the law to obtain The rigor and accuracy of thinking.