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在中学化学学习中 ,如果说一题多解是培养发散思维能力的良方 ,那么一题多变、多题一解则是培养综合归纳能力的有效途径。通过题组训练可发现规律 ,总结归纳出一类题的解题方法 ,可收到举一反三、触类旁通之效果。下面一例是笔者在复习过氧化钠性质时拟编的一组课堂训练题组。
In middle school chemistry learning, if one solution to multiple problems is a good way to cultivate divergent thinking skills, then a changeable topic and a solution to multiple problems are effective ways to cultivate comprehensive induction ability. Through the training of the questions can be found in the law, summed up a class of questions to solve the problem, you can receive an analogy, the effect of analogy. The following example is a group of classroom training questions that the author plans to edit when reviewing the nature of sodium oxide.