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发散思维是思维的一种重要形式。它具有多向性、灵活性、新颖性等特点,对于启发学生创造性思维具有重要作用。本文拟就如何在分数应用题教学中对学生进行发散思维训练,谈一些粗浅的看法及不成熟的做法。一、一叙多问的训练发散思维训练的目的是充分发挥人的想象力,突破原来的知识圈,在解题中提出多方面的设想或多种解法。可以培养学生思维的灵活性。如:“红旗大队要修1200米的水渠。第一天修了全长的12,第二天修了全长的14。”根据上面的条件,可设计以下问题,训练学生的思维:①两天各修多少米?②两天共修了多少米?③还剩多少米没修?④第一天比第二天多修多少米?⑤第二天比第一天少修多少米?⑥已修的比剩下的多多少米?学
Divergent thinking is an important form of thinking. It has multi-directional, flexibility, novelty and other characteristics, to inspire students creative thinking has an important role. This article is about how to train divergent thinking students in the teaching of fractional application questions, talking about some superficial opinions and immature practices. First, a Syria and ask more training Divergent thinking training is to give full play to the human imagination, breaking the original circle of knowledge in the problem-solving put forward many ideas or solutions. You can develop the flexibility of student thinking. Such as: “The red flag brigade to repair the 1200-meter canals on the first day to repair the full-length 1 2 the next day to repair the full-length 1 4.” According to the above conditions, the following questions can be designed to train students Thinking: ① two days how many meters each repair? ② how many meters two days? ③ how many meters left without repair? ④ the first day more than the second day to repair more? ⑤ the next day less than the first few repair M? ⑥ repair more than the remaining number of meters?