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《义务教育数学课程标准》(2011年版)中指出:“数学教学是数学活动,教师要紧密联系学生的生活环境,从学生的经验和已有的知识出发,创设生动的数学情境。”因此,在教学中,教师应该把学生熟知、亲近、现实的生活数学引入数学课堂,使数学教材变得具体、生动、直观,使学生感悟,发现数学的作用与意义,学会用数学的眼光观察周围的客观世界,增强数学作用意识。为此,教师要充分利用学生现有的知识经验和他们所熟悉的事物组织教学,使学生能较好地感知和理解所学的内容。
The Standard of Compulsory Education Curriculum Standard (2011 Edition) states: “Mathematics teaching is a mathematical activity. Teachers should closely contact students ’living environment and create vivid mathematical situations based on the students’ experiences and existing knowledge.” " Therefore, in teaching, teachers should familiarize students with familiar, close, real-life mathematics into the mathematics classroom, so that mathematics textbooks become more specific, vivid and intuitive, so that students realize the meaning and significance of mathematics and learn to use mathematical observation Surrounding the objective world, to enhance awareness of the role of mathematics. To this end, teachers should make full use of the existing knowledge and experience of students and they are familiar with the organization of teaching, so that students can better perceive and understand what they learn.