活动课是以儿童从事某种活动的兴趣和动机为中心组织的课程。在小学数学活动课中,教师一定要明确学生主体、教师协助的角色定位,既不能采取“安排式”束缚学生的学习过程,也不能放任自流,使活动流于形式。一、主题确定保证趣味性和需要性兴趣和需要是学习和探究的直接动力。只有从学生的兴趣需要出发,才能使学生全身性地投入活动。因此在确定主题时,教师要关注不同年级的学生对什么感兴趣,需要什么,怎么样的活动设计才能更有趣更能吸引学生的注意力, Activity classes are courses organized around the children’s interest and motivation in engaging in certain activities. In primary school mathematics activity class, teachers must be clear about the main body of students and the role of teachers. They can not adopt the “arrangement” to restrain the learning process of students, nor can they let themselves be self-reliant and make the activities form a formality. First, the theme is to ensure that fun and the need for sexual interest and need to learn and explore the direct motivation. Only from the students’ interests need to start, in order to enable students to put into the activities of the system. Therefore, when determining the theme, teachers should pay attention to what students of different grades are interested in, what they need, and what kind of activity design can be more interesting and attractive to students’ attention.