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数感的培养是课改下对数学教学的主要任务之一,从字面的意思上来说就是培养学生对数的感觉,而数感不是靠教师的讲解来实现的,而是学生在某种情境的体验和感受中而形成的。所以,在素质教育下,教师要结合教材内容选择有效的教学活动来
The cultivation of number sense is one of the main tasks of mathematics teaching under the curriculum reform. Literally speaking, it is to cultivate the feeling of students ’logarithm, while the sense of number is not realized by the teacher’s explanation, but rather the students’ The experience and feelings formed. Therefore, under quality education, teachers should choose effective teaching activities based on the content of teaching materials