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剖析初中数学课堂的每一个环节,通过听课、评课、问卷调查、案例分析等方式,梳理出教与学中存在的低效、无效问题的主要表现。一、课堂教学中无效现象的分析1.教学目标不明确。教学目标不明确就无法准确把握教学内容,学生在学习过程中无法准确掌握学习重心。例如,在一次课堂教学比赛中,有位教师讲“勾股定理”这节课,用了十二分钟讲解勾股定理的发展过程,从而使本节课的教学目标、重点、难点都出现了偏颇。
Analyze every link of junior high school mathematics classroom, sort out the main manifestations of the ineffective and invalid problems in teaching and learning through lectures, assessment classes, questionnaires and case studies. First, the ineffective analysis of classroom teaching 1 teaching objectives are not clear. Teaching objectives are not clear you can not accurately grasp the teaching content, students can not accurately grasp the learning process of learning center of gravity. For example, in a classroom teaching competition, a teacher said “Pythagorean Theorem” this lesson, spent twelve minutes to explain the development of the Pythagorean Theorem, so that the teaching objectives of this lesson, emphasis and difficulty are There has been biased.