我省特级教师李家永,在长期教学研究中,对小学数学课堂教学的三个重要环节:知识的导入、探究、概括进行深入的实践和探讨,先后在本刊发表了三篇代表作。第一篇题为:“引入新课十法”,发表在89年第10期,第二篇题为“引导探究七法”,发表在90年第10期上,本期发表的是第三篇。 In the long-term teaching and researching, Li Jiayong, a provincial-grade teacher, conducted three in-depth discussions on three important aspects of mathematics classroom teaching in primary schools: introduction, exploration and generalization of knowledge. He published three masterpieces successively in this magazine. The first is titled “Introducing Ten New Methods”, published in Issue 10, Issue 89, the second entitled “Guide to Explore Seven Laws”, published in the 10th issue of 1990, and published in this issue is the third Articles