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习题教学是数学教学中非常重要的组成部分。除了要充分发挥教材中习题的作用外,还要选编必要的补充题。补充题的选编讲究“量、质、序”三要素,即数量要恰当,质量要高,编排的顺序要合理。这样,才能使补充题和教材中的习题实现最佳配合。本文就现行教材《数列与数学归纳法》一章的教学,按练习题的作用,谈些选配几类练习题的粗浅看法。
Exercise teaching is a very important part of mathematics teaching. In addition to giving full play to the role of exercises in textbooks, we must also select necessary supplementary questions. The selection of supplementary questions stresses the three elements of “quantity, quality, and order”, that is, the quantity should be appropriate, the quality must be high, and the order of arrangement must be reasonable. In this way, the best match between the supplementary questions and the exercises in the textbooks can be achieved. This article discusses some of the superficial ideas of matching several types of exercises on the teaching of the current textbook “series and mathematics induction”.