“无书面作业日”是我校课堂教学减负增效的一项创新举措,每周三下午放学不布置传统的书面抄写作业,结合教学内容安排学生进行实践活动,布置一些实践活动作业。旨在把更多的学习机会和时间交给学生,让学生自主探索,趣味学习,快乐成长。经过近四年的尝试,反思实践活动作业实施操作过程,笔者认为可以将数学的基础知识、基本技能、基本思想、基本活动经验蕴含在实践活动作业之中,突出实践活 “No Written Homework Day ” is an innovative measure taken by our school to reduce the negative effects and enhance the efficiency of teaching. Every Wednesday afternoon, we should not lay out the traditional written copywork assignments. Arrange the practical activities according to the teaching contents and arrange some practical activities. Designed to give more learning opportunities and time to students, allowing students to explore their own, fun learning, happy growth. After nearly four years of attempts to reflect on practical activities, the author thinks that basic knowledge, basic skills, basic ideas and experience of basic activities can be embedded in practical activities and practice.