《国家基础教育课程改革纲要》中明确提出:“教师在教学中应与学生积极互动,共同发展。”新的《数学课程标准》中也提出:“教学就是要教给学生能借助已有的知识去获取新知的能力,并使学习成为一种思维活动。”而小学数学教学改革的根本出路,在于为培养学生自身的学习能力、创造能力和自我发展能力创设一个广阔的空间,通过教师必要的启 The Outline of the National Basic Education Curriculum Reform clearly states: “Teachers should actively interact with students and develop together in teaching.” The new “Mathematics Curriculum Standards” also states: “Teaching is to teach students The existing knowledge to acquire new knowledge and make learning a thinking activity. ”The fundamental way to reform the mathematics teaching in primary schools is to create a vast space for cultivating students’ ability of learning, creating and self-development , Through the teachers necessary Kai