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作为高中数学的重要内容之一,数列这一章节不仅在实际生活中有着广泛的应用,而且起着承上启下的作用。一方面,数列的学习为进一步学习数列的极限等内容打好基础;另一方面,数列作为一种特殊的函数,其与函数思想密不可分。等差数列是在学生学习完数列的相关概念及给出数列的两种方法——通项公式和递推公式的基础上,对数列知识的进一步深入和拓广,同时,等差数列也为今后等比数列的学习提供了学习对比的依据。一、教学任务
As one of the important contents of high school mathematics, this chapter of sequence not only has a wide range of applications in real life, but also plays an important role in the ascendancy. On the one hand, sequence learning lays the foundation for the further study of the limits of sequences; on the other hand, sequence as a special function is inseparable from the function thought. The arithmetic sequence is based on the concept that the student learns the complete sequence and the two methods that give the sequence - the general formula and the recursion formula, furthering and broadening the knowledge of the sequence. Meanwhile, the arithmetic progression is also The future of the series than the study provides the basis for learning and comparison. First, the teaching task