作业布置能力是教师教学能力的重要体现之一,没有质量、只重视数量的作业布置不仅浪费学生时间,也无法真正帮助学生巩固课堂所学。为了让学生在认真完成作业的基础上提高问题解决能力,以高中化学为切入点,探究了作业布置有效性的问题。 Job placement ability is an important manifestation of the teaching ability of teachers. Without quality, only the number of job placement is not only a waste of student time, but also can not really help students consolidate the classroom learning. In order to improve students’ ability to solve problems based on the careful completion of homework, this paper explores the issue of the effectiveness of homework assignments with high school chemistry as the breakthrough point.