每个教师都知道,作业练习是教学流程中重要的一个环节,是课堂教学的延伸和继续,其效度怎么样,直接关系到数学教学质量的高低。合理的练习是学生学习数学,发展思维的一项经常性的实践活动,也是师生信息互动交流的一个关键窗口。作业应是一种生活,是一种活动,着眼于学生的 Every teacher knows that homework practice is an important part of the teaching process and is an extension and continuation of classroom teaching. The validity of homework is directly related to the quality of math teaching. Reasonable practice is a regular practice of learning mathematics and developing thinking. It is also a key window for teachers and students to interact with each other. Homework should be a life, an activity, and a focus on the student