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2011年版数学课程标准指出:在数学课程中,应当注重发展学生的数感、推理能力和模型思想。数感成为了数学学习的一个关键词,成为了课堂教学的隐性目标。由于数感的培养并不是以具体的知识呈现,而是与课堂教学紧密联系的,教师如何抓住数感培养的特点,有效帮助学生形成数感?本文从匠心创设情景课堂,助力学生形成数感;匠心开展数学活动,助力学生发展数感;匠心搭建实践平台,助力学生拓展数感三个方面进行阐述。
2011 edition of mathematics curriculum standards pointed out: In mathematics curriculum, should pay attention to the development of students sense of number, reasoning ability and model thinking. Sense of number became a key to learning mathematics, has become a hidden goal of classroom teaching. Because the cultivation of number sense is not presented with specific knowledge, but closely linked with classroom teaching, how can teachers grasp the characteristics of number sense culture to help students form sense of number effectively? Sense; ingenuity to carry out mathematical activities to help students develop a sense of number; ingenuity to build a practical platform to help students develop a sense of the number of three aspects elaborated.