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数学来源于现实生活,又用于现实生活。《上海市中等职业学校数学课程标准》(2015修订稿)中强调,中职数学核心素养之一“数学意识”表现为“学生拥有‘用数学眼光看世界的理念’”。本文抛砖引玉,积极尝试和响应新课标的理念,以“任意角的概念”的教学设计为例,借助现实情境中一些丰富的素材,从中提炼出有价值的数学问题,加强学生对数学的理解,引导学生用数学的眼光看世界。
Mathematics comes from the real life, but also for real life. In “Shanghai Secondary Vocational School Mathematics Curriculum Standard” (revised version of 2015), one of the core qualities of secondary vocational mathematics is emphasized as “students have the idea of seeing the world from a mathematical perspective.” This paper starts with the idea of trying out and responding to the new curriculum standards. Taking the teaching design of “the concept of arbitrary angle” as an example, we draw valuable mathematical problems from some rich material in the real situation and strengthen the students’ Understand, guide students to see the world with a mathematical perspective.