本文選題：立體幾何 + 有效備課��； 參考：《天津師范大學(xué)》2015年碩士論文

【摘要】：高中階段立體幾何一章的內(nèi)容是學(xué)生學(xué)習(xí)的一個(gè)難點(diǎn),從教學(xué)環(huán)節(jié)查找原因,認(rèn)為教師對(duì)本章的備課仍然存在問題,這會(huì)導(dǎo)致學(xué)生解題中缺乏空間想象能力,課堂教學(xué)效果低下,如果教師在課前的備課環(huán)節(jié)做好功課,即研讀教材,了解學(xué)生,備好教法,備活過程,備清自己,對(duì)改進(jìn)教學(xué)會(huì)有極大的幫助。我們?cè)谖墨I(xiàn)研究的基礎(chǔ)上,對(duì)教師的備課現(xiàn)狀進(jìn)行了問卷調(diào)查研究,從發(fā)現(xiàn)的問題出發(fā),開展教學(xué)實(shí)踐研究,采用兩個(gè)平行班進(jìn)行教學(xué)實(shí)踐,在實(shí)驗(yàn)班的教學(xué)是在有效備課前提下完成的,在對(duì)照班仍然采取常態(tài)教學(xué)模式,并做出了案例分析。研究認(rèn)為教師們發(fā)揮有效備課的作用,能夠培養(yǎng)學(xué)生畫圖能力和空間想象能力,發(fā)展學(xué)生數(shù)形結(jié)合思想,培養(yǎng)學(xué)生主動(dòng)探究知識(shí)的意識(shí),在體驗(yàn)數(shù)學(xué)美的過程中激發(fā)學(xué)生的學(xué)習(xí)興趣,從而培養(yǎng)學(xué)生勤于思考、勤于動(dòng)手的良好品質(zhì)。
[Abstract]:The content of the chapter on solid geometry in senior high school is a difficult point for students to learn. Looking up the reasons from the teaching links, the author thinks that there are still problems in preparing lessons for this chapter, which will lead to the students' lack of spatial imagination ability in solving problems. The effect of classroom teaching is low. If teachers do their homework well in the preparation of lessons before class, that is, reading textbooks, understanding students, preparing teaching methods, preparing the process of life and making clear of themselves, it will be of great help to improve teaching. On the basis of literature research, we have conducted a questionnaire survey on the present situation of teachers' preparation of lessons. From the point of view of the problems found, we have carried out a teaching practice study and adopted two parallel classes to carry out teaching practice. The teaching in the experimental class is completed under the premise of effective preparation of lessons, and the normal teaching mode is still adopted in the control class, and the case study is made. It is believed that teachers can play an effective role in preparing lessons, cultivate students' ability to draw pictures and visualize space, develop students' thoughts of combining numbers and shapes, and cultivate students' consciousness of actively exploring knowledge. In the process of experiencing the beauty of mathematics, we can arouse the students' interest in learning, so as to cultivate the students' good quality of hard thinking and practice.
【學(xué)位授予單位】：天津師范大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2015
【分類號(hào)】：G633.6

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