提高数学课的有效性离不开高质量的课堂教学,同时也离不开有效的数学课外作业.作业的作用,一是消化理解知识,二是对知识的运用.在实践中,我们看到老师设计的作业存在随意性、盲目性等不应出现的情况.本文就提高课外作业的有效性谈谈笔者的认识和思考.一、数学课外作业有效性的认识1.影响课外作业有效性的因素一般认为,影响数学作业有效性的主要有四个方面的因素.第一方面因素是作业的性质.对于机械的、重复 To improve the effectiveness of math class is inseparable from the high quality of classroom teaching, but also inseparable from the effective extracurricular math homework. The role of homework, one to digest understanding of knowledge, the second is the use of knowledge .In practice, we see The teacher designed the job there is randomness, blindness and so on should not appear.This article will talk about the author’s cognition and the thinking which enhances the efficiency of the homework.Materials and Methods1. The validity of the mathematics extracurricular homework 1. Factors generally believe that there are four main factors that affect the effectiveness of math operations.The first factor is the nature of the operation.For mechanical, repeat