数学作业是深化学生认识,促进学生理解的有效途径,也是发展学生数学思维,培养创新精神和实践能力的重要渠道。但是,我们往往会将重心放在课堂教学和课堂作业的设计上,对于课外的作业,倒显得简单许多,一般是直接将书本上没有做完的练习题和与教材配套的练习册拿给学生去做。这样的练习,缺乏明确的目的性和针对性,尤其是与小班化教学中强调 Mathematics is an effective way to deepen students’ understanding and promote students’ understanding. It is also an important channel to develop students’ mathematical thinking and cultivate innovative spirit and practical ability. However, we tend to focus on the design of classroom teaching and classroom assignments. For extra-curricular assignments, it is much simpler. Generally, we give exercises directly to the students who have not finished the exercises in the book and the exercise book matching the textbooks Do it. Such exercises, the lack of a clear purpose and relevance, especially with the emphasis on small class teaching