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新课改以来,数学课程标准将发展学生的基本数学思想作为一个重要任务提出来,既适应基本学情,又符合国际社会数学教学的大趋势。“四基”的提法是在传统的“双基”基础上发展而来的,而数学是锻炼学生思维的工具,只有思维有序、严密、创新,才能适应时代潮流。鉴于此,教师应注重引领学生感知基本数学思想,培养学生从数学思想的基石出发,延伸出数学方法的能力。一、以“比较”带领学生追根溯源
Since the new curriculum reform, the standard of mathematics curriculum has put forward the development of students’ basic mathematical thinking as an important task, which not only meets the basic situation but also meets the general trend of mathematics teaching in the international community. The formulation of “Four Basics” is based on the traditional “double base”. Mathematics is a tool to train students’ thinking. Only when thinking is orderly, strict and innovative, can we adapt to the trend of the times. In view of this, teachers should focus on leading students to perceive the basic mathematical thinking, training students from the cornerstone of mathematical thinking, extending the ability of mathematical methods. First, “” to "lead students to trace the source