学生做练习是输出信息,教师从中得到反馈;教师批改作业是评价信息,学生又从中得到反馈,这种双向的信息反馈进行得越快,教与学的效果就越显著,因此,教师批改作业首先要及时。在平时的教学中,我每堂课尽量给学生足够的作业时间,保证大多数学生能在课内完成。学生练习时,我巡视辅导,及时启发差生发现错误,纠正错误,下课前一、二分钟,我报出答数,让学生自行校对,并统计正确率、错误率,对普遍性的错误及时找出错误原因和教学中的 Students do exercises to output information, teachers get feedback from them; teachers modify homework is to evaluate information, and students get feedback from them. The two-way feedback of information is faster, teaching and learning effect is more significant, therefore, teachers modify homework First of all, in time. In the usual teaching, I try to give students enough class time in each class, to ensure that most students can be completed in class. Students practice, I visited the counseling, timely inspiration students find errors, correct mistakes, one or two minutes before get out of class, I reported the answer, let students proofreading, and the correct rate of statistics, the error rate, the universal error in time to find The reason for the error and teaching