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为检测并深化学生对所学知识和方法的理解和应用水平,发展学生的数学能力,数学教学通常有课堂练习这一环节.课堂练习一般采取个别学生(不超过4人)在黑板上思考并演算(称为“板演”),而其他学生在自己的座位上解答的形式.其后,教师会着重就“板演”情况进行评讲,包括:指出其错误或不足之处,提出修正或改进的方法步骤;肯定其好的做法和表现,以便其他同学学习和借鉴.为了增强练习的效果,有经验的教师会接着
In order to detect and deepen students ’comprehension and application level of knowledge and method and to develop students’ math ability, maths teaching usually has this part of the classroom practice.Class practice usually takes individual students (no more than 4 people) to think on the blackboard (Referred to as the “board show”), while other students in the form of answers to their seats, the teacher will then focus on the “board performance” to comment on the situation, including: pointing out its error or inadequate Department, proposed amendments or improvements in the method steps; affirmed its good practices and performance, in order to learn and learn from other students.In order to enhance the effectiveness of the practice, experienced teachers will follow