如果我们的教学能做到本质、自然,学生就可以学得深刻、简单,最大限度地领会蕴含在数学知识背后灵魂的东西.循着这样的想法,本文第一作者执教了“数系的扩充与复数的概念”起始课.现把实践过程整理如下,敬请同行指正.1.问题导引回顾数集扩充教师:数学知识源于生产实践与自身的发展,远古的人类,为统计捕获的猎物和采集野果等方面的需 If our teaching can be both essential and natural, students can learn profound, simple, and maximally understand what lies behind the soul of mathematical knowledge. Following such an idea, the first author of this article coaches the " Expansion and the concept of plural Start now. Now the practice is organized as follows, please correct me .1. Guide the number of questions to guide the review of the expansion of teachers: mathematical knowledge from production practice and its own development, ancient human, Statistics capture the prey and collecting wild needs such as