《义务教育数学课程标准》(2011年版)(以下简称《课标》)特别强调在教学中要进行过程性教育,引导学生在课堂上进行有效的数学思考,并在这个过程中培养学生的数学核心素养。数学教学的过程性教育是彰显学生主体地位的重要途径,是培养学生数学思维能力的有效手段。因此,在“学为中心”的教学 The compulsory education mathematics curriculum standard (2011 edition) (hereinafter referred to as the “curriculum standard”) with special emphasis on teaching in the process of education to guide students in the classroom for effective mathematical thinking, and in the process of training students in mathematics Core literacy. The process of education in mathematics teaching is an important way to highlight the dominant position of students is an effective means of training students ability to think in mathematics. Therefore, in the “learning-centered” teaching