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上世纪70年代末,新技术革命飞速发展,促使数学教育要培养出具有更高数学素质,具有更强创造能力的人,一种最富有教育价值的数学问题题型应运而生——数学开放题。教育部《中考改革指导意见》中也明确指出:“理科在试卷中应适当增加开放性试题,培养学生的创新能力,初步体现素质教育的要求。”新课程标准强调:基础教育不是将一切知识教给一切人,而是要教会一切人学会学习、大胆创新。于是,理解数学开放题的典型特征,掌握其教育意义,让开放性问题走向数学课堂,成为每一位教者值得思考、探索的问题。
In the late 1970s, the rapid development of new technological revolution led mathematics education to cultivate people with higher mathematical qualities and more creative abilities. A type of mathematics problem with the most educational value came into being - Math Open question. The “Guiding Opinions on the Reform of Senior High School Entrance Examination” issued by the Ministry of Education also clearly states: “Science should appropriately increase the number of open questions in the test papers so as to cultivate the innovative ability of students and initially reflect the requirements of quality education.” The new curriculum standards emphasize: All knowledge is taught to all, but to teach everyone to learn to learn and make bold innovations. Therefore, to understand the typical characteristics of open mathematics questions, to grasp its educational significance, so that the open question to mathematics classroom, become a question worthy of consideration and exploration for every teacher.