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数感是人们对数的感觉,是人们对数的直接感知能力。一个人一旦有了数感,他便能将数与实际背景联系起来,用数学的方式思考问题。数感的培养有利于培养学生的创新精神与实践能力在教学中要从多个角度来培养学生的数感,让学生经历建立数感、发展数感进而强化数感的过程。
Sense of number is the feeling of people’s logarithm, the direct perception of people’s logarithm. Once a person has a sense of number, he can relate the number to the actual context and think mathematically. The cultivation of sense of number is conducive to the cultivation of students ’innovative spirit and practical ability In teaching, students’ sense of number is to be cultivated in many aspects so as to enable students to experience the process of establishing number sense, developing number sense and enhancing number sense.