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近读《中学数学》2016年8月初中版,江苏省中学数学特级教师姜鸿雁老师对2016年无锡卷第27题的赏析文章(详见文1),浅入深出,以小见大,颇具诗情画意.特别是文1后半段提出两个“追求”:追求自然生长的课堂教学、追求提示本质的课堂教学.笔者深受教益,实践跟进,在班级上以该题作为一题一课的选题素材,开展了解题教学,取得较好的教学效果.本文记录该课的教学设计,并给出教后反思,供研讨.一、考题与思路简述
Nearly reading “Middle School Mathematics” in the middle and junior high school edition in August 2016. Jiang Hongyan, a high school mathematics teacher from Jiangsu Province, commented on article 27 of the 27th volume of the 2016 Wuxi book (see details in article 1). It is quite poetic. Especially in the latter part of the text I propose two “pursuit”: the pursuit of natural growth in the classroom teaching, the pursuit of the nature of the classroom teaching. The author is deeply taught, practice follow-up, in the class as a topic Select the title material of the first lesson, carry out the problem-solving teaching, and obtain better teaching results. This paper records the teaching design of the lesson and gives post-teaching reflections for discussion. First, the questions and ideas briefly