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【案例背景】数学教育家米山国藏曾指出:“学生所学的数学知识,在进入社会后几乎没有什么机会应用,因而这种作为知识的数学,通常在走出校门后不到一两年就忘掉了。然而不管他们从事什么工作,唯有深深铭刻于头脑中的数学思想和方法等随时地发生作用,使他们受益终身。”从此我们不难看出,小学是学生学习数学知识的启蒙时期,这一阶段注意给学生渗透基本的数学思想方法显得尤为重要。心理学家布鲁纳也曾指出:掌握基本的数学思想
【Background】 The maths educationist Mishan Guozang pointed out: “The maths learned by students have hardly any chance to be applied after they enter the society. Therefore, this knowledge as math usually falls short of one or two years after leaving school But no matter what they do, only the profound mathematical ideas and methods etched in mind work at any time to benefit them for life. ”From this we can see that elementary school is where students learn math At this stage of Enlightenment, it is particularly important to pay attention to infiltrating students into basic mathematical thinking. Bruner psychologist also pointed out: master the basic mathematical thinking