作业，是教学工作中不可缺少的一环。学生认真完成作业，不但可以巩固学生课上所学的东西，还可以拓展学生的知识面，培养学生独立学习的好习惯。而在小学，随着年级的增高，部分学生的作业越写越差，书写潦草，计算粗心，甚至还有个别学生抄作业，根本没达到做作业的目的。为? Homework is an indispensable part of teaching. Students conscientiously finish their homework, not only can consolidate what they learn in class, but also can broaden students 'knowledge and cultivate students' good habits of independent study. In primary schools, with the increase of grades, some of the students' assignments were worse and worse, the writing was illegible, the calculation was careless, and even some student copy assignments did not reach the goal of homework. for?