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新课程中复数教学突出复数的代数表示,同时也强调复数的几何意义。本文就此浅谈第一节“复数的引入及数系的扩充”的教学应关注哪些问题。一复数教学的定位与教育价值复数是高中生必备也是高考必考的的基础知识,文理科内容相同,要求一致。复数不像实数,具有实在感,复数是纯理论的创造,无法直接感知。数的产生是生产实践的需要,是用来记数或丈量的,但复数是为了解方程而产生的。
In the new curriculum, the plural teaching highlights the algebraic representation of complex numbers and emphasizes the geometric meanings of complex numbers. This article on the first section “the introduction of the plural and the expansion of the number of ” teaching should pay attention to what issues. The location of a number of teaching and educational value pluralism is essential for high school students is also the basic knowledge of the college entrance examination, liberal arts content the same, the same requirements. Complex numbers are not like real numbers, they have a sense of reality. Complex numbers are purely theoretical creations that can not be directly perceived. The number of production is the need of production practice, is used to count or measure, but the complex number is generated to understand the equation.