Mathematics teaching is a highly sophisticated teaching process, a good method of leading in a new lesson directly influences the quality of classroom instruction.
数学教学是一个十分复杂的教育过程，一个好的导入新课的方法是直接影响一堂课质量的关键。
The new lesson change; Primary school mathematics; Teaching; Method.
新课改；小学数学；教学；方法。
This article combines two aspects together: that is, take a lesson from the history of mathematics and melt the history of prime number into the design of teaching plan for school-based curriculum.
本文将这两个方面的问题结合在一起：以数学史为鉴，将素数的数学史融入校本教案进行设计。
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