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随着新课程改革的深入,课堂教学的有效性逐渐成为数学教学关注的焦点.根据新课程标准的理念,学生有无进步或发展,是教学是否有效的唯一指标.教学有没有效益,并不是指教师有没有教完内容或教得认真不认真,而是指学生有没有学到什么或学生学得好不好.如果学生不想学或者学了没有收获,即使教师教得很辛苦也只能算无效教学.同样,如果学生学得很辛苦,但没有得到应有的发展,也是无效或低效教学.有效教学是为了提高教师的工作效益、
With the deepening of the new curriculum reform, the effectiveness of classroom teaching has gradually become the focus of mathematics teaching.According to the new curriculum standards, whether there is progress or development of students is the only indicator of whether teaching is effective or not Refers to the teacher did not finish the content or teach serious not serious, but that students have not learned or students learn well or not .If the students do not want to learn or did not learn, even if the teacher taught very hard can only count Similarly, if students learn very hard, but did not get the due development, but also ineffective or inefficient teaching.Effective teaching is to improve teachers’ work efficiency,