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新《数学课程标准》指出:数学课程“不仅要考虑数学自身的特点,更应遵循学生学习数学的心理规律,强调从学生已有的生活经验出发……,数学教学活动必须建立在学生的认知发展水平和已有的知识经验基础之上。”这就是说,数学教学活动要以学生的发展为本,要把学生的个人知识、直接经验和现实世界作为数学教学的重要资源。
The new “Mathematics Curriculum Standards” pointed out that mathematics courses “should not only consider the characteristics of mathematics itself, but also follow the students’ psychological rules of learning mathematics, emphasizing starting from the students’ existing life experiences .... The mathematics teaching activities must be based on students’ recognition. Knowing the level of development and existing knowledge and experience.” That is to say, mathematics teaching activities should be based on the development of students, and students’ personal knowledge, direct experience, and the real world should be used as an important resource for mathematics teaching.