在教学过程中,预习是一种提高学习效率的有效手段。进入小学以后,低年级学生的独立思考能力和问题意识并不明显,但是小学中高年级的学生已经具备了独立思考和提出问题的能力。数学是一门思维比较强的科目,因此在小学中高年级教学过程中很有必要提出预习单。本文论述了小学生的认知发展规律以及预习单的作用,提出利用预习单培养学生问题意识的措施。 In the teaching process, preview is an effective way to improve learning efficiency. After entering primary school, the independent thinking ability and problem awareness of the junior students are not obvious, but the middle and high school students have the ability to think independently and ask questions. Mathematics is a subject with strong thinking. Therefore, it is necessary to make a preview of the curriculum in middle school and senior high school. This paper discusses the law of primary school students ’cognitive development as well as the function of the pre-study sheet and puts forward the measures of using the pre-study sheet to develop students’ question awareness.