【正文】
得到方程,進(jìn)而解決有關(guān)問題?;趯?duì)數(shù)學(xué)概念及概念教學(xué)的再把握,相對(duì)于傳統(tǒng)的教學(xué),本課的設(shè)計(jì)進(jìn)行了比較大的改變:一、整體的把握:數(shù)學(xué)概念不僅是局部的,而且是全局的;不僅是靜態(tài)的,而且是動(dòng)態(tài)的;所 以對(duì)方程概念及其教學(xué)應(yīng)從多個(gè)層面加以把握:⑴形式層面——含有未知數(shù)的等式是方程。這是一種靜態(tài)的結(jié)論。⑵發(fā)現(xiàn)層面——經(jīng)歷方程模式的生成過程。通過觀察,探尋式子特點(diǎn),再把這些式子進(jìn)行兩次分類,在分類中得出方程的意義,反映了認(rèn)識(shí)事物從具體到抽 象的一般過程。方程來源于生活現(xiàn)實(shí)又回到生活現(xiàn)實(shí),再把實(shí)際問題中的相等關(guān)系抽象成方程。體現(xiàn)了“生活中有數(shù)學(xué),數(shù)學(xué)可以展現(xiàn)生活”這一大眾數(shù)學(xué)觀,也體現(xiàn)了數(shù)學(xué)的本質(zhì)“來源于生活,運(yùn)用于生活”第五篇:九月開學(xué)季九月開學(xué)季,老師你們準(zhǔn)備好了嗎?幼教開學(xué)準(zhǔn)備小學(xué)教師教案小學(xué)教師工作計(jì)...初中教師教案初中教師工作計(jì)...You are helpful.(強(qiáng)調(diào)helpful意思)What can you do for her? do it.(全班學(xué)生一起來說并做動(dòng)作)We are all helpful, Let’s praise each other.(全班動(dòng)起來一起說You are helpful.)設(shè)計(jì)意圖:在這個(gè)環(huán)節(jié)中我設(shè)計(jì)了一個(gè)互相夸獎(jiǎng)的活動(dòng),學(xué)生熱情高漲,全身心的投入到學(xué)習(xí)句子當(dāng)中You are helpful.(8)Look, Here e some are they?(教師出示頭飾)Monkey、Zip、Zoom and are all e to help Mother watch.(放課文課件)設(shè)計(jì)意圖:帶著問題聽錄音利于學(xué)生聽力能力的培養(yǎng)。Answer the questions.(放問題課件,學(xué)生進(jìn)行回答,教師把動(dòng)物頭飾貼到相應(yīng)的句子旁)What can Zoom do?What can Zip do? What can the monkey do? What can the rabbit do?(板書)Zoom can water the can cook the can sweep the can clean the it right? What can the rabbit do? Open your book, check your answer.(學(xué)生打開課本自學(xué)課文,找出答案)Rabbit can wash the windows.(放錄音)Please read after the you read it together? 設(shè)計(jì)意圖:由于前面板書的一個(gè)句子I can clean the can wash the ,教師故意貼頭飾,使學(xué)生產(chǎn)生分歧,學(xué)生帶著問題很認(rèn)真地查閱課文,尋找答案。這樣使整節(jié)課過渡自然,恰到好處。(9)Super, can you act like Monkey、Zip、Zoom and Rabbit? Please do it in your group.(學(xué)生分組進(jìn)行課文表演)It’s time to can?(每組五人,請(qǐng)兩到三組學(xué)生。)步驟4:Practice(1)Let’s make a new chant of the story.(課件出示小韻律)Zoom, Zoom, what can you do?I can water, water the ,Zip what can you do?I can cook, cook the ,Monkey, what can you do?I can sweep, sweep the , Rabbit, what can you do?I can wash, wash the :通過小韻律活躍課堂氣氛,從歌聲中復(fù)習(xí)四會(huì)句子,從而進(jìn)一步理解所學(xué)課文的意義。(2)Today, we learned the story about Zip、Zoom、Monkey and you write down the story? Take out your write.(學(xué)生來填寫表格)Mother Goat is ill, The animals can help can they do? Monkey can.Zip can.Rabbit can.Zoom can.They are can retell the story?(請(qǐng)一到兩名學(xué)生來復(fù)述課文)Read it :這個(gè)環(huán)節(jié)的設(shè)計(jì)有兩個(gè)目的,其一讓學(xué)生動(dòng)筆來練習(xí)本課的四會(huì)句子,突破難點(diǎn)教學(xué)。其二使學(xué)生能轉(zhuǎn)化人稱來復(fù)述課文,更加加深學(xué)生對(duì)課文的理解,同時(shí)又是對(duì)本節(jié)課進(jìn)行了一個(gè)小拓展。步驟5:Consolidation(1)This class I know everyone is helpful, we can do many some people can’t do anything, because they are very old.(課件顯示老人的圖像)Now, there’s an enlargement you want to help the old?(這句話重復(fù)兩遍,來提升課堂氣氛)Please fill in the table.(學(xué)生填寫義工招募表)Enlargement(義工招募會(huì))Name:Age:Nationality:Abilities:Who wants to introduce.(學(xué)生上講臺(tái)展示自己的義工招募表并根據(jù)表格作自我介紹。)Can he/she pass?(教師問臺(tái)下的學(xué)生,后給演講者發(fā)放義工絲帶)設(shè)計(jì)意圖:較真實(shí)的語境,能給學(xué)生以充分的思維空間,讓學(xué)生主動(dòng)運(yùn)用所學(xué)知識(shí),培養(yǎng)其綜合語言實(shí)踐能力。同時(shí)又再次訓(xùn)練了學(xué)生的書寫能力和綜合語言運(yùn)用能力,并且在這個(gè)環(huán)節(jié)里學(xué)生受到了心靈的震撼,進(jìn)行了思想道德教育。(2)We are we should help each other and have a heart full of love.(教師做心形手勢(shì))步驟6: about “ I can ?.” with your a dialogue with each other , Using sentences like “What can you do?”、“I can?.”. help your parents do the housework what you can do ?步驟7:Ending.(1)At last, who is the winner? Show me your flowers.(學(xué)生出示自己本節(jié)課所獲得的花)So many are all helpful, we are all the hands for ourselves again.(2)Are you happy? Let’s sing Can Help I can empty the can sweep the can cook the meals and count to can water flowers and clean my is so much I can I ask :在歌聲中結(jié)束本堂課,同時(shí)又是再一次地對(duì)這節(jié)課進(jìn)行系統(tǒng)和全面的復(fù)習(xí)。板書設(shè)計(jì):評(píng)價(jià)內(nèi)容:以四人小組為單位,把每一個(gè)小組的學(xué)生平均分配,每個(gè)組有一名程度稍好的學(xué)生和一名稍不好的學(xué)生,整節(jié)課的所有活動(dòng)都以小組為單位,讓學(xué)生在小組內(nèi)交流和討論,讓四人捆綁在一起,共同發(fā)現(xiàn)問題,進(jìn)而解決問題,同時(shí)教師以積分的形式,對(duì)各個(gè)小組進(jìn)行加分激勵(lì),小組參與交流、回答問題、讀課文和表演,都能獲得積分,課堂結(jié)束后,教師根據(jù)積分評(píng)選出前六個(gè)小組,為本節(jié)課的“英語之星團(tuán)隊(duì)”。評(píng)價(jià)方法:通過學(xué)生自評(píng)、小組互評(píng)和老師評(píng)價(jià)的方法,積累分?jǐn)?shù)評(píng)出“英語之星團(tuán)隊(duì)”。本課采用聽讀說演教學(xué)方法,讓學(xué)生在自主學(xué)習(xí)中獲得最基本的英語聽說能力,在課堂上充分調(diào)動(dòng)學(xué)生強(qiáng)烈的學(xué)習(xí)愿望,使孩子們?cè)讷@得知識(shí)的同時(shí),得到了感情的愉悅與升華。以任務(wù)型教學(xué)方法為主導(dǎo)。本課我把教學(xué)過程系統(tǒng)地分為四個(gè)環(huán)節(jié):一、預(yù)習(xí),二、新授,三、活動(dòng),四、拓展。在預(yù)習(xí)后引出本課的教學(xué)任務(wù)——學(xué)習(xí)并應(yīng)用what can you do ? I can cook the meals, 、以學(xué)生為主體,在活動(dòng)中共學(xué)。縱觀這節(jié)課,我設(shè)計(jì)了大量的活動(dòng),如just do it , role play, enlargement等。學(xué)生參與面較廣,充分調(diào)動(dòng)了學(xué)生學(xué)習(xí)英語的積極性。整節(jié)課充分體現(xiàn)了以生為本的教育理念,安排了多樣的學(xué)生活動(dòng),其中有個(gè)人的,有小組的,有教師指導(dǎo)性的,也有需學(xué)生獨(dú)立或合作完成的。讓他們通過小組合作,學(xué)會(huì)與他人交流,從而使學(xué)生的思維和想像力、審美情趣和藝術(shù)感受,協(xié)作和創(chuàng)新精神等綜合素質(zhì)得到發(fā)展。創(chuàng)設(shè)情境,讓學(xué)生學(xué)以致用。我通過創(chuàng)設(shè)情景,將學(xué)習(xí)內(nèi)容與學(xué)生的實(shí)際生活相結(jié)合,使學(xué)生身臨其境,從而達(dá)到了學(xué)以致用的目的。例如,在新授前,我創(chuàng)設(shè)了母親生病不能操持家務(wù)引入課本對(duì)話,讓學(xué)生受到情感教育。教授完對(duì)話后,在拓展環(huán)節(jié),我設(shè)計(jì)了義工招募會(huì),讓學(xué)生幫助老人,參加社會(huì)公益活動(dòng),并頒發(fā)綠絲帶,讓孩子身臨其境,運(yùn)用自己所學(xué)的英語去幫助老人,并鼓勵(lì)學(xué)生們回家做力所能及的家務(wù)活,學(xué)生受到了心靈的震撼。本節(jié)課取得了預(yù)期的效果,課后孩子們都反饋“太喜歡這樣的英語課了”。