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所谓数感,就是指人们对数与运算的一般“理解”这种“理解”可以帮助人们用灵活的方法做出数学判断和为解决复杂的问题提出有用的策略。它是一种主动地、自觉地理解数和运用数的态度与意识,是将数学与现实问题建立联系的桥梁,是人们的一种基本素养。小学生应具备的“数感”,实
The so-called number sense, refers to the people of the general “understanding” of logarithm and operation of “understanding” can help people to use mathematical methods to make flexible judgments and to solve complex problems put forward useful strategies. It is a kind of attitude and consciousness of actively and consciously understanding the number and the use of numbers. It is a bridge connecting the mathematics with the reality and is a basic quality of people. Pupils should have the “number of flu”, real