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数学习题是检验教学效果、训练学生思维的较好载体。因此,教师要根据需要对习题进行科学合理的变式,以加强对学生思维的灵活性、深刻性、发散性的训练,使学生的创新精神得以培养和提高。在教学实践中,我采用了“深入浅出”的方法作了如下的尝试。 一、浅出法 1、缩小范围法。在习题的“已知”中再添加条件,使题目的已知条件范围变得狭小而具体,便于学生找到切入点。
The number of learning questions is a good vehicle for examining the effects of teaching and training students’ thinking. Therefore, teachers should make scientific and reasonable changes to the exercises according to their needs in order to strengthen the flexibility, profoundness, and divergence of students’ thinking, so that the students’ spirit of innovation can be cultivated and improved. In the teaching practice, I have made the following attempts using the method of “recognizing the profound things in a simple way”. First, light out of law 1, reduce the scope of law. Adding conditions to the “know” of the exercise will make the range of known conditions for the topic narrow and specific, allowing students to find entry points.