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:本刊 2 0 0 0年第 7期集中发表了同一课题———“一元二次方程”的四篇课例 ,让广大数学教师和教研工作者参与点评 .这一举措引起了广大读者的极大兴趣和关注 .截止 9月 10日 ,我们已收到近百篇点评稿件 .这些来稿 ,普遍运用现代教育思想和教学理论 ,并结合自己的教学实践和经验 ,从各个侧面对四篇课例的得与失进行了分析与评议 .经过认真审阅 ,我们从中选出数十篇具有代表性的文稿以较大版面分两期发表 ,以飨读者 :本期的点评将侧重于对四篇课例的综合评析 ;下期的点评将侧重于对每一篇课例的单独评析 .我们希望通过这次同一课题、不同课例的“课例大家评”活动 ,能激发广大读者对概念教学乃至整个数学课堂教学展开更广泛、更深入的思考和研究 ,教学个案的分析和评议 ,是一个非常实际的教研选题 ,人人都能上手写作 ,人人都能从中受益 .今后 ,本刊将继续开展不同形式的“课例大家评”活动 ,欢迎更多的数学教师和教研工作者参与 .
: In the 7th issue of the magazine in 2000, four lectures on the same subject—“One Quadratic Equation” were published, and the majority of mathematics teachers and teaching and research workers participated in the review. This measure has aroused the attention of readers. Great interest and concern. As of September 10, we have received nearly one hundred reviews. These contributions, the general use of modern educational thinking and teaching theory, combined with their own teaching practice and experience, from all sides to four lessons The case’s gains and losses were analyzed and reviewed. After careful review, we selected dozens of representative manuscripts to be published in two pages in a larger format to the reader: This issue of the review will focus on four articles. A comprehensive review of the lesson examples; the next comment will focus on the individual assessment of each lesson. We hope that through the same topic and different lesson classes, we will stimulate the readers to learn more about concepts. The whole mathematics classroom teaching is more extensive and in-depth thinking and research. The analysis and appraisal of teaching cases is a very practical teaching and research topic. Everyone can write and everyone can benefit from it. After, this issue will continue to carry out various forms of “Lesson we Comment on” activities, welcome more math teachers and workers involved in teaching and research.