“深入探究,把握主旨”這一步則是解決教學(xué)的重點(diǎn)難點(diǎn),這里涉及到課文的深層意蘊(yùn),學(xué)生理解有難度,教師在通過問題引領(lǐng)學(xué)生探討的基礎(chǔ)上,還要適時(shí)啟發(fā)、點(diǎn)撥,因?yàn)榻虒W(xué)時(shí)間有限,讓學(xué)生漫無邊際的討論,可能難以完成預(yù)定的教學(xué)任務(wù),會(huì)使教學(xué)過程不完整。至于本文的寫作特點(diǎn)的教學(xué)視時(shí)間而定,有時(shí)間可以讓學(xué)生說一說,沒有時(shí)間用小黑板出示一下,讓學(xué)生了解就行,如果時(shí)間不夠,甚至可以不講。第三階段是“延伸練習(xí),鞏固提高”。
四、教學(xué)方法和學(xué)法。課前學(xué)生搜集有關(guān)《詩經(jīng)》的資料必不可少。另外,時(shí)隔數(shù)千年,年代久遠(yuǎn),文字的障礙很大,然而,過分糾纏于文字的疏通會(huì)破壞詩歌的“氣”,喪失詩歌的“神”,所以在學(xué)習(xí)時(shí),應(yīng)舍去條分縷析的理論評價(jià),指導(dǎo)學(xué)生結(jié)合注釋疏通文字,然后引領(lǐng)他們經(jīng)由文字再現(xiàn)形象和事件,經(jīng)由形象和事件領(lǐng)略情感,感受其中濃濃的詩情。誦讀的環(huán)節(jié)是重要的,配以二胡獨(dú)奏《長相思》,營造意境,學(xué)生沉浸在音樂營造的意境中反復(fù)吟詠,讀出節(jié)奏,讀出音調(diào),讀出感情,細(xì)細(xì)體味,讓或優(yōu)或喜的情愫縈繞心間,我們就觸到了先民的靈魂。比興手法為《詩經(jīng)》獨(dú)創(chuàng),重章疊句同樣別致而新鮮,教學(xué)過程中結(jié)合具體語境讓學(xué)生自己去發(fā)現(xiàn)并進(jìn)行討論,不搞枯燥的知識(shí)傳授。還引入講故事、改寫兩種活潑的學(xué)習(xí)形式,從而達(dá)到加深理解的目的。
一、說教材1.教材分析《涉江采芙蓉》是新人教版必修二第二單元《古詩三首》中的一首?!豆旁娛攀住吩谥袊糯姼璧乃囆g(shù)手法上起著承前啟后的作用,在高中語文古詩教學(xué)中也起著承前啟后的作用。這首古體詩不論是藝術(shù)上,還是在思想上都已經(jīng)達(dá)到了十分純熟的境界。因此,它十分重要。2.說學(xué)情這首詩歌在內(nèi)容上難度不大,可以做多角度解讀。新課程標(biāo)準(zhǔn)鼓勵(lì)學(xué)生作個(gè)性化解讀,我們可以引導(dǎo)學(xué)生就此作些探討。學(xué)生通過小學(xué)、初中的系統(tǒng)學(xué)習(xí)和本冊古詩部分的集中學(xué)習(xí),有了一定的古詩鑒賞能力,對源遠(yuǎn)流長的中華文化也有了一些積淀,興趣漸濃,這是進(jìn)一步引導(dǎo)學(xué)生熱愛古代詩歌、學(xué)習(xí)古代詩歌的一個(gè)前提。3.教學(xué)目標(biāo)依據(jù)學(xué)生特點(diǎn),教材特色以及新課標(biāo)的要求,制定教學(xué)目標(biāo)如下:(用多媒體展示)1、了解關(guān)于《古詩十九首》的文學(xué)常識(shí);2、感受詩歌的思想內(nèi)涵;3、運(yùn)用想象描摹詩歌的藝術(shù)畫面。
一.教材理解教材地位與作用:本單元“閱讀與鑒賞”部分,本單元要求學(xué)生能在了解詩歌創(chuàng)作的時(shí)代背景的情況下通過反復(fù)誦讀詩歌,把握其中豐富的意象,領(lǐng)悟詩歌獨(dú)特的意境和詩人所要表達(dá)的情感?!队晗铩肥乾F(xiàn)代派大師戴望舒的成名作和前期的代表作,他曾因此而贏得了“雨巷詩人”的雅號(hào)。本單元以《雨巷》為例子給學(xué)生展示了象征主義詩歌的特點(diǎn),《雨巷》運(yùn)用了象征性的抒情手法。詩中那狹窄陰沉的雨巷,在雨巷中徘徊的獨(dú)行者,以及那個(gè)像丁香一樣結(jié)著愁怨的姑娘,都是象征性的意象。這些意象又共同構(gòu)成了一種象征性的意境,含蓄地暗示出作者即迷惘感傷又有期待的情懷,并給人一種朦朧而又幽深的美感。富于音樂性是《雨巷》的另一個(gè)突出的藝術(shù)特色。詩中運(yùn)用了復(fù)沓、疊句、重唱等手法,造成了回環(huán)往復(fù)的旋律和宛轉(zhuǎn)悅耳的樂感。因此我把本課的教學(xué)重點(diǎn)和難點(diǎn)確定為:教學(xué)重點(diǎn):通過反復(fù)誦讀,領(lǐng)略詩歌的音樂美以及分析其成因教學(xué)難點(diǎn):分析意象以及其象征意義初步掌握鑒賞詩歌的方法
我以以《登高》為例,引導(dǎo)學(xué)生進(jìn)行意象分析,感悟意境美。古人云“立象以盡意”“古詩之妙,專求意象”意象是詩人情感的載體,是詩歌的靈魂。引導(dǎo)學(xué)生張開聯(lián)想和想象的翅膀去感受,去體驗(yàn)是意象,詩歌鑒賞的關(guān)鍵??屏治榈抡f“真正藝術(shù)的作品,不是看見的,也不是聽到的,而是想象中的某種東西?!痹娙送ㄟ^想象創(chuàng)造出詩的形象,我們讀者通過想象豐富地再現(xiàn)詩人創(chuàng)造的形象。而感受體驗(yàn)則是以全部身心投入作品,心靈與心靈相溝通,感情與感情相交流,對詩人的想象活動(dòng)進(jìn)行再經(jīng)歷和再體驗(yàn)。因此,在引導(dǎo)意象解讀中,我先讓學(xué)生點(diǎn)擊這一個(gè),就是通過抓修飾詞、依據(jù)感情基調(diào)、展開想象具體分析本詩中每個(gè)意象的情感意蘊(yùn)和審美意蘊(yùn),使學(xué)生明白意象在每首詩中的獨(dú)特性。
《勸學(xué)》是普通高中課程標(biāo)準(zhǔn)試驗(yàn)教科書語文必修三第三單元的重點(diǎn)篇目,該文集中反映著名思想家荀子在學(xué)習(xí)問題上的觀點(diǎn)和精彩斐然的論證藝術(shù)。該單元所選課文都是古代的議論性散文。通過本單元的學(xué)習(xí)在于讓學(xué)生感受我國傳統(tǒng)文化的精神,掌握基礎(chǔ)的文言語法知識(shí),學(xué)習(xí)如何清晰有力的表達(dá)自己的思想和見解。本文安排在單元的第一篇,如何指導(dǎo)學(xué)生學(xué)好這篇課文,是實(shí)現(xiàn)“授之以漁”,樹立學(xué)生學(xué)好文言文的信心,掌握文言學(xué)習(xí)方法的關(guān)鍵。根據(jù)新課標(biāo)倡導(dǎo)從“知識(shí)與能力”、“過程與方法”、“情感態(tài)度與價(jià)值觀”三方面出發(fā)設(shè)計(jì)課程目標(biāo)的要求和高一的學(xué)生對于文言文的知識(shí)還在積累的階段,應(yīng)該注重基礎(chǔ)知識(shí)的積累和一定量的誦讀的實(shí)際情況。我擬確定以下教學(xué)目標(biāo):1,了解荀子論述學(xué)習(xí)的思想,明確學(xué)習(xí)要靠積累、堅(jiān)持不懈、專心致志的道理。2,掌握積累文言實(shí)詞、虛詞,活用、古今異議等現(xiàn)象和固定句式。
四、說教學(xué)程序(一).溫故知新、導(dǎo)入新課復(fù)習(xí)提問:基因突變導(dǎo)致生物變異的原因是什么?回答:基因突變是基因結(jié)構(gòu)發(fā)生改變,從而使遺傳信息改變,使蛋白質(zhì)結(jié)構(gòu)改變、生物性狀改變,即生物發(fā)生了變異。那么,基因是什么?它和染色體又有何關(guān)系?回答:基因是有遺傳效應(yīng)的DNA片斷,染色體是DNA的載體,基因在染色體上呈線形排列。引出新知:對于一個(gè)生物體來說,正常情況下,其染色體的結(jié)構(gòu)和數(shù)量都是穩(wěn)定的。但在自然條件或人為因素的影響下,染色體的結(jié)構(gòu)和數(shù)量均會(huì)發(fā)生改變,從而導(dǎo)致生物性狀的改變,這就屬于染色體變異。(二).把握重點(diǎn)、突破難點(diǎn)重點(diǎn)的把握:1、染色體結(jié)構(gòu)的變異播放影片:貓叫綜合征幼兒。讓學(xué)生觀察: 患兒哭聲輕、音調(diào)高,很像貓叫。教師補(bǔ)充: 患兒的征狀---兩眼較低、耳位低下,存在著嚴(yán)重的智力障礙。闡述病因---染色體片段缺失
In this step, give students a few minutes to read the passage . While they are reading, I will write some key words of the text on the blackboard. Then ask students to retell the passage according to the key words.By retelling, students can improve their ability of language organization and have an overall understanding of the article.Step 4 Group discussionIn this step, students will be divided into groups of 4 to discussion the following question: What qualities make a great person?After their discussion, invite a few groups to make a report to the class.This group discussion can practice students’ oral English and cultivate their abilities of cooperation and communication.Step 5. HomeworkLet students write a short passage to introduce a great person he or she admires.The homework can consolidate the knowledge the students have learned and cultivate their writing ability. Part 6 Blackboard Design(板書設(shè)計(jì))That’s all my teaching procedures. Finally, I’d like to say sth about part 6 blackboard design. On the top is the title. On the left, there will be some new words and expressions. In the middle of the blackboard, I will write some useful sentence structures so that the students can know clearly what they’ve learned and then try to master the knowledge.OK. That’s all for my presentation. Thank you for your attention.
When it comes to the students’ studying methods, I'd like to introduce my Ss first. The Ss have a good command of basic language points. They’re interested in learning English, and they take an active part in English class, so they will have fun in autonomous, cooperative and inquiry learning. I will just serve as a guide, showing them the way to explore how to make more progress in their English learning.Now it’s time for the most important stage of this lesson. My teaching procedures are arranged as follows:Step1.Leading-in (3 minute)Play a video of a wide variety of wildlife to introduce my topic. Step2. Speaking (12 minutes)We will use our textbook Page25. Let the Ss fast read the short paragraph to warm up. Ask them to talk about the report on some endangered wildlife in China with the dialogue patterns on the screen. Lastly, I will invite some groups to demonstrate their dialogues about saving wildlife in China.Step3.English play (3 minutes)Watch another video in praise of their excellent performance just now. It’s about Jack Chen’s(成龍)and Yang Ziqiong’s wildlife protection.Step4. Listening (twice 13 minutes)This time, I’ll ask the Ss to fill in the blanks of the monologue of the 2 movie stars above. Step5.Discussion (3 minutes)Which would you like to choose to wear, clothes made of cotton, artificial leather or animal skins? Why ?Step6. Summary (3 minutes)1. If there were no wildlife, there wouldn’t exist human beings. If the buying stops, the killing can, too.2. Animals are our friends. To love animals is to love ourselves. Stop hunting, killing and destroying wildlife.3. Let’s live in harmony with all the living things in the world. Step7. Music appreciation (3 minutes)Let the Ss appreciate the song Earth Song by Michael Jackson. Last but not the least, I will show you my blackboard design.
Good afternoon, teachers, It’s my great pleasure to be here sharing my lesson with you.The content of my lesson is Senior English Book 3 Unit 5 Canada —— “The true North”.I’ll be ready to begin this lesson from five parts. Analysis of the teaching material,the teaching methods,the studying methods, the teaching procedure,and Blackboard design.First, let me talk about the teaching material.Part 1 Teaching Material:This unit is about the introduction of Canada. By studying of this unit,we’ll enable the students to learn the geography, population, main cities, and natural beauty, natural resources of Canada. Through the training of the unit, it also requires students to learn some Language skills such as the expressions of position and emotions.So it plays an important part in the English teaching in this book.After studying the teaching material and analyzing the rule of children’s growing of mind,I think the teaching aims are the followings:1.Knowledge objects:(1) make the students learn some new words and phrases(2) make the students understand the content of the lesson.2.Ability objects:(1)To develop the Ss’ abilities of listening, speaking, reading and writing. Especially reading and speaking ability.(2) learn to talk about the characters of Canada in English(3)To train the Ss’ ability of working in pairs.3.Emotion objects:(1)Enable students to understand the characters of Canada..(2)Stimulate Ss to work hard to make China stronger.Part 2 Teaching Methods:I think helping students learn to master new words and phrases and improve the students’ reading and speaking ability is import and the difficult.According to the analysis of the teaching material and the import points and the difficult points,I will use the following teaching methods : question-guiding approach; fast-reading and careful reading; multi-media teaching methods; discussion
Knowledge objectives:(1) to make Ss grasp the usage of words, expressions and sentence structures: statistics, struggle, thanks to, rid of, some patterns for persuasion, the “ing” form as subject and object;(2)to use learnt knowledge to persuade sb.Ability objectives:(1) to develop Ss’ reading skills(skimming, scanning, word guessing);(2) to improve Ss’ speaking, communicating and cooperating skills.Emotional objectives:to make Ss know the contribution of Yuan,and learn his spirit and his simple life time.Teaching important and difficult points:(1) some words, expressions and sentence structures mentioned above;(2)the content of the text;(3)training their reading and speaking skills.Teaching methods: CLT, TBLT,QT.Learning strategies: CLS, QLS, TBLS.Teaching procedures:Step 1 lead-in: (1) teacher plays a piece of recent news from CCTV about the harvest of the super hybrid rice, and ask students whether they know Yuan or not, and talk about him and his contribution.(2)Brain storm: let Ss describe Yuan in their minds including his appearance, his living condition and so on.Step 2 fast reading tasks:(1)teacher introduces Yuan and super hybrid rice(2)make Ss read the text as fast as possible with questions. Such as: what’s the general ideaof this passage? What’s Yuan’ dream? (skimming and scanning skill)Step 3 intensive reading tasks(1)let Ss read the text silently, find topic sentence of each paragraph and draw the difficult sentences and the knowledge what they don’t understand.(words guessing)(2)teacher and Ss talk about the important words, expressions and sentences together, and ask Ss to retell the content of the text.(summarizing and paraphrasing)(3)teacher summarize this part.(4) read again following the courseware.
In this class, I have 3 teaching aims, that is, knowledge aims, ability aims and emotion aims.1) Knowledge-Teach students new words and expressions, such as temporary, bleed,sprain choke, first aid, fall ill and so on.-Enable students to have a better understanding for some basic knowledge of first aid.2) Ability-Train students’ speaking, reading and writing abilities by different teaching activities, such as skimming, comprehending, team work, role play, retelling and writing.-Develop students’ reading strategy on how to move general idea to specific information.3) Emotion-Promote students’ awareness of giving first aid.- Cultivate students’ creativities.Then let’s come to my teaching methods and activities.III. Teaching methods and activities:To achieve different teaching aims, various kinds of teaching methods and activities will be adopted throughout this period, such as TBL (task-based learning), skimming, team work, brainstorm and others, which can offer students opportunities to fulfill tasks in which they can use language to achieve a specific outcome.IV. Teaching aids:Computer and blackboardV. Teaching important points:1) Make students have a clear mind for the structure of the text.2) Help students understand the theme of the text.VI. Teaching difficulties:1) So many new words may affect students’ understanding.2) How to get students to know about the functions of the skin and thecauses, characteristics and treatments for different degree burns,and the knowledge about giving first aid. VII. Blackboard design:
(一)游戲?qū)?。在這個(gè)活動(dòng)的開始,老師和孩子們圍坐成半圓形,這樣就自然地縮短了老師和孩子們之間的距離,孩子們會(huì)覺得老師很親近自己,為游戲情景的設(shè)置打好了情感基礎(chǔ)。接著,老師出示蓮蓬剝出蓮子“這是什么呢?對,蓮子。我們要在池塘里種上蓮子,明年才能結(jié)出蓮蓬。今天,請小朋友扮演池塘里的泥,老師把這顆蓮子種到池塘里,大家一起玩一個(gè)種蓮子的游戲?!绷己玫挠螒蚯榫白匀坏脑O(shè)置好了,這也是激發(fā)孩子們參與的興趣、集中孩子們注意力的一種很好的策略。(二)交代游戲規(guī)則及玩法。游戲規(guī)則有以下幾點(diǎn):1、扮泥的小朋友必須將眼睛閉起來,不能偷看,等兒歌念完后才能睜開。2、種蓮子的人會(huì)在兒歌結(jié)束前將蓮子放在一個(gè)小朋友的手里,并且用簡短的語言來描述這個(gè)小朋友的外貌特征,請大家來猜。3、被猜出的小朋友必須重復(fù)說出自己的外貌特征。
說教材本課時(shí)的教學(xué)要點(diǎn)是引導(dǎo)學(xué)生分析失信的原因,找到解決的方法,并懂得和做到對自 己守信。數(shù)師可以按照教材內(nèi)容的編排順序進(jìn)行教學(xué),先設(shè)計(jì)討論活動(dòng),引導(dǎo)學(xué)生針對具體的失信行為分析原因,井能對癥下藥,找出相應(yīng)的解決方法,然后轉(zhuǎn)向“對自己說話算數(shù)" 的內(nèi)容。對此,教師可以通過數(shù)材中“張明對自己說話算數(shù)”的內(nèi)容,引導(dǎo)學(xué)生思考并討論 為什么要對自己守信,從而讓他們認(rèn)識(shí)到無論是對別人還是對自己都旻言行一致、說話算數(shù).教師旻強(qiáng)調(diào)對自己說話算數(shù)主要靠自覺和白律,并讓學(xué)生學(xué)習(xí)史多的守信方法,并運(yùn)用在自己的守信實(shí)跋中。學(xué)情分析誠信對學(xué)生來說是老生常談,在學(xué)?;蚴侨粘痰纳钪?,老師、長輩總會(huì)要求孩子能做到誠實(shí),不說謊。但實(shí)際上,很多孩子亂下保證,卻常常做不到,導(dǎo)致失信,但在他們眼中這并不算是不誠信。因此我們需要在根本上改變他們的這一認(rèn)識(shí)與看法。通過角色扮演在幫別人改正說話不算數(shù)的毛病過程中,自 糾身上存在的失信問題并改正。
本節(jié)課我設(shè)計(jì)了四個(gè)教學(xué)環(huán)節(jié) 。 環(huán)節(jié)一:創(chuàng)設(shè)情境,激趣導(dǎo)入學(xué)生閱讀教材第 34 頁的繪本《爺爺家的洗臉?biāo)?,讀完之后交 流感受,教師引導(dǎo)到水很珍貴的話題,由此導(dǎo)入新課,板書課題:小水滴的訴說。設(shè)計(jì)意圖:激發(fā)學(xué)生的學(xué)習(xí)興趣,并引出本節(jié)課要學(xué)習(xí)的內(nèi)容, 為接下來的學(xué)習(xí)作好鋪墊。環(huán)節(jié)二:自主探究,合作交流 這一環(huán)節(jié)我安排了三個(gè)活動(dòng)。 活動(dòng)一:我很寶貴首先,課件出示教材第 35頁的小詩《小水滴的自我介紹》,并 播放畫外音,學(xué)生說一說對水的認(rèn)識(shí)。然后,學(xué)生閱讀教材第 34 頁和第 35 頁的圖文,結(jié)合課前查找收集到的有關(guān)水資源的資料,說說發(fā)現(xiàn)了什么?教師相機(jī)引導(dǎo),板書:寶貴稀少。設(shè)計(jì)意圖:了解水與人們生活的關(guān)系,感受水資源的珍貴。 活動(dòng)二:我遭遇了不幸學(xué)生閱讀教材第 36頁的圖文,找一找小水滴遭遇了哪些不幸。 小組內(nèi)交流,生活中見到的小水滴遭遇的不幸,全班交流匯報(bào),教 師相機(jī)引導(dǎo),板書:珍惜。設(shè)計(jì)意圖:發(fā)現(xiàn)生活中污染、浪費(fèi)水資源的現(xiàn)象,明白可以靠 法律法規(guī)的作用,切實(shí)有效地保護(hù)水資源。
①2014年年中,世界衛(wèi)生組織(WHO)公布了《2013年全球氣候狀況報(bào)告》。報(bào)告顯示,2013年全球陸地和海洋表面平均溫度為14.5℃,比1961-1990年的平均溫度升高0.5℃。自有溫度記錄以來,全球14個(gè)最熱年份中有13個(gè)出現(xiàn)在本世紀(jì),而過去30年中每個(gè)10年都比前十年更熱。②厄爾尼諾是發(fā)生在熱帶太平洋上海溫異常增暖的氣候現(xiàn)象,大范圍熱帶太平洋增暖會(huì)造成全球氣候變化。進(jìn)入20世紀(jì)70年代后,全球出現(xiàn)的異常天氣,都有范圍廣、災(zāi)情重、時(shí)間長等特點(diǎn),而在這一系列異常天氣的背后,厄爾尼諾暖流都起著重要作用。
1、為音樂配打擊樂打擊樂器是小學(xué)生喜歡的樂器。讓學(xué)生在音樂課上演奏打擊樂器,不但可以提高學(xué)生的學(xué)習(xí)興趣,同時(shí)也能培養(yǎng)對音樂的感知力。讓學(xué)生為樂曲加上打擊樂器伴奏。在鼓、鈸聲中,學(xué)生的參與意識(shí)被激發(fā)。加強(qiáng)了學(xué)生對音樂的理解,增強(qiáng)了音樂的表現(xiàn)力。(五)拓展延伸 。 1、讓音樂與生活溝通起來音樂本來就是從生活中創(chuàng)造出來的。我們在音樂教學(xué)過程中根據(jù)教學(xué)需要,實(shí)現(xiàn)教師、學(xué)生、教材、教具、教學(xué)環(huán)境與生活的多方面橫向聯(lián)系,及他們之間的相互作用和影響。 (六)、課堂小結(jié)。課堂小結(jié):是在完成某項(xiàng)教學(xué)任務(wù)的終了階段,教師富有藝術(shù)性的對所學(xué)知識(shí)和技能進(jìn)行歸納、總結(jié)和升華的行為方式,它常用于課堂的結(jié)尾,所以形象地被稱作"豹尾"。完善、精要的"小結(jié)",可以使課堂教學(xué)錦上添花,余味無窮,讓學(xué)生達(dá)到前后渾然一體的美妙境界,以激發(fā)學(xué)生學(xué)習(xí)音樂課的熱情,同時(shí)性情也受到熏陶。
活動(dòng)目的:通過兩個(gè)圖案設(shè)計(jì),一個(gè)是讓學(xué)生獨(dú)立思考,借助于已經(jīng)學(xué)習(xí)的用尺規(guī)作線段和角來完成,對本節(jié)課的知識(shí)進(jìn)一步鞏固應(yīng)用;另一個(gè)是讓學(xué)生根據(jù)作圖步驟借助于尺規(guī)完成圖案,進(jìn)一步培養(yǎng)學(xué)生幾何語言表達(dá)能力,并積累尺規(guī)作圖的活動(dòng)經(jīng)驗(yàn)?;顒?dòng)注意事項(xiàng):根據(jù)課堂時(shí)間安排,可靈活進(jìn)行處理,既可以作為本節(jié)課的實(shí)際應(yīng)用,也可以作為課下的聯(lián)系拓廣,從而使得不同層次的學(xué)生都學(xué)到有價(jià)值的數(shù)學(xué)。四、 教學(xué)設(shè)計(jì)反思1.利用現(xiàn)實(shí)情景引入新課,既能體現(xiàn)數(shù)學(xué)知識(shí)與客觀世界的良好結(jié)合,又能喚起學(xué)生的求知欲望和探求意識(shí)。而在了解基礎(chǔ)知識(shí)以后,將其進(jìn)行一定的升華,也能使學(xué)生明白學(xué)以致用的道理、體會(huì)知識(shí)的漸進(jìn)發(fā)展過程,增強(qiáng)思維能力的培養(yǎng)。同時(shí),在整個(gè)探究過程中,怎樣團(tuán)結(jié)協(xié)作、如何共同尋找解題的突破口,也是學(xué)生逐步提高的一個(gè)途徑。
活動(dòng)6:通過隨堂小測的方式辨別圓的相關(guān)概念。目的:讓學(xué)生準(zhǔn)確地掌握直徑與弦,弧與半圓的關(guān)系,以及準(zhǔn)確理解等圓和等弧的概念。活動(dòng)7:讓學(xué)生分組討論“投圈游戲”,解決生活中的實(shí)際問題。目的:提高學(xué)生運(yùn)用所學(xué)圓的知識(shí),解決實(shí)際問題的能力;也是為了鞏固圓的定義,同時(shí)再次激發(fā)學(xué)生的學(xué)習(xí)興趣。活動(dòng)8:給學(xué)生一個(gè)草坪情境,要求作出半徑為5m的圓,并說明原理。目的:提高學(xué)生的綜合運(yùn)用能力,并鞏固圓的定義?;顒?dòng)9:讓學(xué)生根據(jù)樹木的年輪的直徑和生長年齡,計(jì)算樹木每年的生長情況。目的:鞏固圓的知識(shí)?;顒?dòng)10:讓學(xué)生回顧本節(jié)課的重要內(nèi)容并布置課后作業(yè)。目的:前者的目的是梳理圓及圓的相關(guān)元素的概念,便于識(shí)記、理解和運(yùn)用。后者的目的是:第一題,檢測學(xué)生的動(dòng)手能力和提高學(xué)生學(xué)習(xí)數(shù)學(xué)的興趣;第二題,檢測學(xué)生對本節(jié)課的重要內(nèi)容的理解情況;第三題,檢測學(xué)生的綜合運(yùn)用能力。以上是我對本節(jié)課內(nèi)容的理解和設(shè)計(jì)。
2. 學(xué)唱歌詞先聽琴跟唱歌詞,再分句解決難點(diǎn):重難點(diǎn):(1). 第一段中弱拍休止符的地方。(2). 附點(diǎn)四分音符:第一第二句的“總”, 第三句的“為”和第四句的“飄”;附點(diǎn)八分音符:第一第二句的“暖”,第三第四句的“總”。(3). 區(qū)分第二遍歌詞和第一遍歌詞在節(jié)奏上的不同之處。(4). 結(jié)束句三拍休止符。3. 完整的有表情地演唱歌曲。(三)、拓展通過欣賞邰麗華等聾啞人跳的舞蹈《千手觀音》,來教育學(xué)生學(xué)習(xí)殘疾人刻苦努力、奮發(fā)圖強(qiáng)的精神;通過欣賞愛心人士的捐助圖片,教育學(xué)生要幫助和幫助關(guān)心我們身邊的殘疾人?。ㄋ模?、總結(jié)老師總結(jié):無數(shù)個(gè)小愛匯成一個(gè)大愛,讓我們在愛的人間里生活的更加美好,最后讓我們再次充滿感情地唱出這首愛的贊歌,在歌聲中結(jié)束本課!