《义务教育数学课程标准》明确要求:“教师在教学中要培养学生良好的数感。”数感的形成是一个循序渐进的过程,只有教师真正把数感的培养当成数学教学的任务和目标去思考,综合运用多种方法和途径持续加强数感的培养,才能让学生逐步形成良好的数感,提升数学素养。 “Compulsory education mathematics curriculum standards” clearly requires: “Teachers in teaching to develop a good sense of the number of students.” "The formation of a sense of number is a gradual process, only teachers really sense of the number of training as a mathematical task and Goals to think, comprehensive use of a variety of ways and means to continue to enhance the sense of the number of flu in order to allow students to gradually form a good sense of the number, improve math quality.