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一、对情节内容和题目结构不熟悉读完一道应用题,首先要知道叙述了一件什么事?这件事的主要内容是什么?它是以什么样的方式叙述的?叙述的经过又如何?这就是题目的情节内容。至于题目结构,即指题目的组成,具体包括题目的内容、条件和问题。题中提到什么人、物、事?给出了几个已知条件?条件出现的先后顺序如何?针对条件又提出了什么样的问题?如果学生草草读题、对题目叙述的情境不够熟悉,就会导致对题意分析缺乏正确的认识与判断,往往会因急于解题而出现错误列式。例1一列100米长的火车,以每秒15米的速度通过一座长1550米的大桥。火车通过大桥需要多长时间?
First, the content of the plot and topic structure is not familiar with finished reading an application questions, we must first know what happened? What is the main content of this? It is described in what way? This is the subject of the plot. As for the structure of the title, that is, the composition of the title, specifically including the title of the content, conditions and issues. What are the people, things, and things mentioned in the question? What are the known conditions? What is the order of the conditions? What questions are raised about the conditions? If the students have questions, they are not familiar with the situation of the topic , It will lead to the lack of correct understanding and judgment of the analysis of the questions, often resulting in erroneous expressions due to the eagerness to solve problems. Example 1 A 100-meter train crosses a 1550 meter long bridge at 15 meters per second. How long does it take for the train to pass the bridge?