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《义务教育数学课程标准(2011年版)》明确提出:“课程内容要反映社会的需要、数学的特点,要符合学生的认知规律。”这就要求教师应具有强烈的课程开发与利用意识,积极用好教材这一载体,创造性地使用教材。现行教材凝结了众多编者对教育的认识、对数学的理解,体现了最基本的教学理念和要求,是教师的教和学生学的主要依据,是最基本、最重要的课程资源。因此,教师在创造性使用教材前必须以准确理解教材为前提,认真研读教材和课程标准,吃透教材的编写意图。
“Compulsory Education Mathematics Curriculum Standard (2011 Edition)” clearly states: “The course content should reflect the needs of society, the characteristics of mathematics, to meet the cognitive rules of students.” This requires teachers should have a strong curriculum development and utilization Consciousness, and actively use the textbook this carrier, creative use of teaching materials. The current teaching materials embody many editors ’understanding of education. Understanding mathematics embodies the most basic teaching ideas and requirements. It is the main basis for teachers’ teaching and student learning, and is the most basic and important curriculum resource. Therefore, teachers must make a correct understanding of textbooks before creative use of textbooks, carefully study textbooks and curriculum standards, and thoroughly understand the writing intention of textbooks.