初中数学中的分类讨论思想是近几年常州市中考的热门考点之一,几乎每年分类讨论思想都有出现在考题中,它是教学的重点也是难点,分类讨论思想不仅在数学学科中涉及,在其他理科中也经常使用。分类讨论思想中蕴含严谨的数学学科特点,也可以锻炼学生的思维和想象力,特别是在考查几何问题时,重点阐述了初中几何教学中的分类讨论思想,三角形问题中的分类讨论频繁地出现在常州中考的压轴题中,它的重要性不言而喻。 The classification and discussion of junior middle school mathematics is one of the hottest test sites in the Changzhou middle school entrance examination in recent years. Almost every year, the classification and discussion thoughts appear in the exam questions. It is the focus and the difficulty of teaching. The classification and discussion ideas are not only involved in mathematics subjects. It is also often used in other sciences. The categorization and discussion ideology contains rigorous characteristics of mathematics disciplines. It can also train students’ thinking and imagination. Especially when examining geometric problems, it focuses on the ideas of classification and discussion in junior high school geometry teaching. Classification discussion in triangle problems frequently appears. In the finale of the Changzhou entrance exam, its importance is self-evident.