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数感主要是指关于数与数量表示、数量大小比较、数量和运算结果的估计等方面的直观感觉。因此,加强数概念教学,通过数概念的建构,培养学生数感。现以教学“100以内数的认识”为例,浅谈在教学中落实2011版新课标,培养学生数感的策略。一、在具体情境中培养数感如在教学“100以内数的认识”时,教材为我们呈现了一幅美丽的白羊图,我利用课件,先出示10只羊,学生快速地数出羊的只数,接着又出示一群10只羊,学生也很快数出羊的只数。“这两群
Sense of number mainly refers to the number and the number of said the number of size comparison, the number and calculation of the results of the intuitive perception. Therefore, to strengthen the number of concept teaching, through the construction of a number of concepts to develop a sense of number of students. Now to teaching ”number of less than 100 “ as an example, to talk about the implementation of the 2011 version of the new curriculum standard in teaching, develop a sense of number of students strategy. First, in a specific situation to cultivate a sense of number, such as in the teaching of ”number of less than 100 “, the textbook presents us with a beautiful Aries map, I use courseware, first show 10 sheep, the number of students quickly The number of sheep, and then produce a group of 10 sheep, students also count the number of sheep quickly. ”These two groups