《义务教育数学课程标准》提出,让学生“获得适应社会生活和进一步发展所必需的数学的基础知识、基本技能、基本思想、基本活动经验”。这种通过独立思考或者合作交流感悟数学的基本思想,要求教师引导学生在参与数学活动的过程中积累基本活动经验。笔者认为,这种不断追寻儿童基本活动经验生长的教学,需要 The standard of compulsory education mathematics curriculum puts forward that students should “acquire the basic knowledge, basic skills, basic thinking and basic activities experience necessary for social life and further development”. This kind of thinking through independent thinking or cooperation to exchange sentimental mathematics, requires teachers to guide students in the process of participating in mathematics activities accumulated basic experience. The author believes that this constant pursuit of basic activities of children growing up teaching needs