一、切实把握好“度”。教师要认真钻研教材,正确掌握教学目标和学生实际,认真挑选与教学目标密切关联的作业内容,合理安排作业的量,正确把握作业的难易度,哪些是必做题,哪些是选做题。让学生根据自己的知识水平量力而行。二、做好作业前期准备。作业前期准备有学生和教师的准备。学生首先认真阅读课本,本节知识点有哪些,需要掌握到什么程度,知识点之间有什么联系,研究例题,反思老师怎么分析、怎么讲解、怎么板书。其次反思本节知识难点的分解,反思所涉及的数学思想。最后再做作业。教师根据所任教班级的学生学情来把握是否有必要题意解释,适当地点拨,甚至 First, effectively grasp the “degree”. Teachers should conscientiously study the teaching materials, correctly grasp the teaching objectives and the students’ actual situation, carefully select the contents of the work closely related to the teaching objectives, arrange the work amount rationally, correctly grasp the difficulty of the work, which ones must be done and which ones should be chosen . Have students work according to their level of knowledge. Second, do a good job pre-preparation. Preparatory work for the preparation of students and teachers. Students first carefully read textbooks, what are the points of knowledge in this section, you need to grasp to what extent, what is the connection between the knowledge points, research examples, reflect on how the teacher analysis, how to explain, how to form a book. Second, reflect on the decomposition of knowledge difficulties in this section and reflect on the mathematical ideas involved. Finally do homework. The teacher grasps whether it is necessary to explain the problem according to the students’ learning situation of the class taught, and appropriately allocates or even