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数学知识的教学是初中教育工作的重点,对学生科学素养和理性思维能力的提升具有不可替代的作用,也是奠定学生理科知识体系趋向完整和系统的方向发展的重要途径。数系的扩充与复数的引入是每年高考必考的一道题目,大多出现在选择或者填空题中,相对来说,这部分知识掌握起来比较容易,但是如何能够让学生深刻意识到复数的含义,以及数系扩充的意义,让学生在学习中更容易接受,是教师需要反思的内容。
The teaching of mathematics knowledge is the focus of junior high school education. It plays an irreplaceable role in the improvement of students’ scientific literacy and rational thinking ability, and it is also an important way to lay a solid foundation for students’ scientific knowledge system. The expansion of number systems and the introduction of plural numbers are the topics that must be considered in the annual college entrance examination. Most of them appear in the selection or filling in the blank. Relatively speaking, this part of the knowledge is easier to master, but how can the students deeply realize the meaning of the plural number? And the significance of the extension of the number system allows students to be more easily accepted in their studies. This is what teachers need to reflect on.