作业,一项古老而令人困惑的话题;作业,一个教师苦苦寻觅却无法求解的难题;作业,一道学生必须也值得永远做下去的“长作业”。不同的学生作业能力存在差异性,对作业的需要就自然有所不同。如何设计好数学自主作业,给学生提供富于实践性、探索性、开放性、趣味性、层次性的作业材料,提供自主活动、自主探索的机 Homework, an ancient and perplexing topic; homework, a hard-to-find but difficult problem that teachers can not solve; homework, a “homework” where students must also be worth forever. Different students have different ability to work, the need for homework is naturally different. How to design mathematics homework, to provide students with practical, exploratory, open, interesting, hierarchical job materials, to provide independent activities, independent exploration of the machine