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近期,学校举行课堂教学艺术周活动,有位青年教师开设了“数学与科学学科知识”有机结合的专题课,其中讲授了一道2013年(嘉兴·舟山)中考题.笔者发现该教师对数学本质知识和思想方法的体系结构缺乏必要的了解,解题教学“应该教什么、怎样教”缺乏深层次的思考.本文结合青年教师的教学案例,从解法分析及学生造成困难的原因出发,对该中考题进行分析及再探究,凸显数学本质教学.
Recently, the school held classroom teaching week activities, a young teacher opened a “mathematics and science subject knowledge ” organic combination of thematic courses, which taught a 2013 (Jiaxing Zhoushan) examination questions .I found that the teacher The lack of understanding of the architecture of mathematics essential knowledge and method of thinking, problem-solving teaching “should teach what, how to teach ” lack of deep thinking.This article combines the teaching cases of young teachers, from the solution analysis and the reasons for the students causing difficulties Departure, the test questions to analyze and re-explore, highlighting the nature of mathematics teaching.