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在小学复合应用题的教学中。“执果索因”的分析法和“由因导果”的综合法是我们在引导学生分析应用题的数量关系时经常使用的两种分析方法。为了使学生把握这两种分析方法,不少教师都采用“看问题想条件”和“给条件补问题”的练习形式进行思维训练,这无疑是十分必要的。例如,根据问题想条件,一位老师提出以下两个问题,让小学生考虑,要解答这两个问题,分别需要补充哪两个条件:(1)实际每天做多少个零件?
In the primary composite teaching questions. The analytic method of “Fruit Soyin” and the “synthetic result method” are the two kinds of analytical methods that we often use to guide students to analyze the quantitative relationship of application questions. In order for the students to grasp these two methods of analysis, it is undoubtedly necessary for many teachers to train their minds through the practice of “looking at the problem” and “supplementing the problem with questions”. For example, according to the question, one teacher proposed the following two questions to enable pupils to consider. To answer these two questions, which of the two conditions should be added separately: (1) How many parts are actually made daily?