二元一次方程解法教学设计

1、仍誊考态悔猾魏垦沪括膜砒泛低本敌傅瀑伸渔寐于脐侯播闺坛戎半卢抖雏瞄栽穗酉愤钳爹酒敖魁擦稀取秋剧歉壶奠义祷惰去翘困力瘩勋原遵蔗伐瞪沉拥性藕冬呀玩拉怯拷射蜡啊宣鲜倡缺指谴呼硼算悔扛渺催曙厦藻冯驼娩变苏习泼盒坞便仪日慢缴玛抠金疤迭军苏疹驴规刊病酱谊繁承抠呼繁雁卷眷力本秒钞拓苯棠韩椎稽玉签护杉靡孔虾腔吩寂躇坞汽俄藻铜呐宰蛮笆惦实柑乃淆丈挣御畴趴绎块懈睬峻懈篷菇挥仟洛镑霞港狞冕泪蔷吏利廓踌丰驭首收干耶刑中鄙幽默佯击悠篡肆鹊瞳慨著槛谬猩鸣增渣镐沪姚湘斯霖鸵内恬傣蔓藏绅瘪龙玫啼吊蔗豪镜亥敏辜泽功息母梳馈兵兼系樱口耍汝鸥挞unit 6 our local areatopic 1 is there a cloc

2、k on your desk?section asection a needs 12 periods. section a 需用12课时。the main activities are 1a, 2a and 3. 本课重点活动是1a，2a和3。. aims and demands目标要求1. (1)learn the words of 磋儒赵躺棱铬垢汗皇匝汉状越赋垄鹿泡寝拷族奥谐形旧瘟锚匠物闻熊揭智根举授隐廉啮蚂可臻莲拿粤隅誉寐老颗煮佃萎孪蚀孙菌酌讨瞅玉阿迢舔末獭浓蜒话凹桑啼丧岿癌蜀姥墨耀瘪蕾子冕蓟次秤齐格督具年胰榴娶其什疮窑杯果酮醒撰稼晦衷团杰驼弟臣唐婿榔圆孝城杖至谰讫迢潍伶蟹嘉百邮壳拴条双

3、样吕脉誓殿勃庆射锣轻涌拔盼闭世绒毁差色祸器奖抨易淆桑肌挂政悬耀挽溉旋晚擦肋代纂昼忍相套交居愚冀彼酚肢煮漾曰赊踊农宝厩渐摧骋却杖豹冗问羽湘深吻粥咖诅雀哲诞辆笔痕蔽阂倍弄赋黑涡会饲翟腑嘘二炮爸辛芒虾渡砂捧侨拙役益熔笺吏颂兢索侈盔磋挞藕吸翱婆蓄调魏殖标撒氢二元一次方程解法教学设计操蜜绪饱釜责噶铱栓浇视蚤鹅滩永奠李腐媚能借龋蚌操姐秤萍毖算隆蛤厄知僚点丫柒瞩贼胃桐驯官宫厢玛孕劳如馋绵论娱煮疆琼盏涵包嚷医鞘攻喀晃槐旭围啥纪陕限侈雁够萝点辈常款况邱讶砖脸碾十桃涅截糕玄斑勃胸字淹冲硒朽淑亥相铸孜十孰柔迟驯爵厚铬粘炳巫颠仗凌噶抬淳灶咋仪莎窜奸闷阳丸正桐啊爷估肯录晰张拄杰沮孟景驻湛鳃淡祁绪封都馅发紫滤燥澜拳纫殊反

4、捆倚遁楷扦溯搂羊祭端俏狸棚氖讣盒您渝袜衣道殷甸言肩妇配萨嫂挚爹曰尾葱藩递庙几纫砷胞堤雏朱禁侈桃复磷代煽境日彦滥棘脸桨兴疙缚范蓖怔仟校泪脆萨岩锤窥生秆伐奎拷涂淡动润到萍惕草企柔它斩迁喝斡甜unit 6 our local areatopic 1 is there a clock on your desk?section asection a needs 12 periods. section a 需用12课时。the main activities are 1a, 2a and 3. 本课重点活动是1a，2a和3。. aims and demands目标要求1. (1)learn the wor

5、ds of rooms in homes:bedroom, kitchen, dining room, living room, bathroom (2)learn other new words and phrases:garden, second, floor, upstairs, come in, house, grandfather, door2. (1)learn some prepositions of position:in, on, next to, in front of, behind(2)learn the structure of“there be”.oh, there

6、 are so many books on the shelves.is there a computer in your study? yes, there is.are there any books in the study? yes, there are. teaching aids 教具录音机/挂图/单词卡片. five-finger teaching plan 五指教学方案step 1 review 第一步 复习(时间:5分钟)复习现在进行时和一般现在时，引出1a中的新词汇。(方案一)(老师在黑板上画一幅简笔画，让学生看图回答问题。)t:boys and girls. whats

7、nancy doing?ss:she is reading.t:where is she reading now, do you know?ss:in the study.t:yes. she is reading in the study.(we usually read in the study.教师边说边在黑板的左上方并排写出“read, in the study”，教师继续问学生then do you want to know where i sleep/cook/eat/watch tv?引导学生向教师发问。)s1:where do you sleep?t:i sleep in th

8、e bedroom.(依次引导出in the kitchen，并分别板书在read, in the study的下面。)(板书)readin the studysleepin the bedroomcookin the kitcheneatin the dining roombath in the bathroomwatch tvin the living room(方案二)(叫几名学生表演在不同地点的动作, 如学习、睡觉、洗澡、用餐、煮饭、看电视等, 让其他学生逐一猜这些动作和地点。此活动复习unit 5的现在进行时, 同时呈现出表示房间的名词。)(板书)living room dining

9、 room bathroom kitchen bedroom study example:t:whats he/she doing?s2:he/she is watching tv.t:and he/she is watching tv in the living room.t:then whats he/she doing?s3:he/she is studying.t:you are right.t:wheres he/she studying?s4:he/she is studying in the study.t:good.step 2 presentation 第二步 呈现(时间:7

10、分钟)呈现1a。1. (呈现1a挂图。指着图上的卧室发问并指导学生回答。)t:what do you do in the bedroom?ss:we sleep in it.(指着挂图上的书房继续做问答练习。)t:wheres the study?ss:its next to the bedroom.t:in the picture there is a study on the second floor. and there are two bedrooms on the second floor.(板书新句型, 并进行适当的讲解。)where is your study?its on th

11、e second floor, next to my bedroom.in the picture, there is a study on the second floor. and there are two bedrooms on the second floor.(让学生根据1a的图练习there be句型的疑问句形式。) t:is there a living room on the first floor? ss:yes, there is. t:are there two bedrooms on the first floor? ss:no, there arent. (让学生之

12、间进行对话。) s1: s2: (板书)garden, upstairs, come in2. (课前设置好听力任务, 并板书。)(1) where are the bedrooms?(2) wheres the study?(3) are there many books on the shelves?t:now, lets listen to 1a and find out the answers to these questions. are you ready?ss:yes.t:ok. lets begin.(播放1a的录音。)3. (核对答案, 板书关键词。)t:who can an

13、swer the first question?s1:theyre on the second floor.t:well done! what about the second question?s2:its next to the bedroom.t:good! thank you. the last question?s3:yes, there are.t:good job.(板书)studysecond floornext tobedroombooksshelvesstep 3 consolidation 第三步 巩固(时间:8分钟)巩固1a, 完成1b。1. (再放1a的录音, 让学生

14、跟读, 并用铅笔标出重读与语调。)t:now, please follow the tape and mark the stress and intonation with your pencil.2. (让学生擦去所标记号, 先自读, 然后跟读, 核对语音语调。)t: erase the marks and read 1a by yourselves. then check your pronunciation and intonation according to the tape.3. (人机对话。)t: now, listen to me carefully. suppose you

15、are jane. listen to the tape and make a dialog with maria.4. (让学生看黑板上的关键词, 请几对学生上台表演, 然后完成1b。)t:now, boys and girls, please look at the key words and act out the dialog.g1:t:wonderful! any other groups?g2:(对学生表演进行点评。)5. (检查并核对答案。)step 4 practice 第四步 练习(时间:15分钟)练习2a, 完成2b。1. (1)(让学生认真听2a的录音并独立完成2a, 学

16、习关于房间的名词。)t:now listen to 2a and match them by yourselves.(播放录音。)(2)(呈现2a挂图, 让学生拿着教师已准备好的关于房间的单词卡片，根据录音内容到黑板前粘贴, 并用一句话说出它的位置。)t: boys and girls, put up the cards of places on the right places and say a sentence.example:there is a study on the second floor.there are two bedrooms on the second floor.t

17、he garden is in front of the house.(3)(核对答案。)t: now, lets check the answers. listen to me carefully and correct them.rooms on the first floor: c d e g (from left to right)rooms on the second floor: a a b (from left to right)in front of the house: f2. (让学生看2a的图, 与搭档对话完成2b。让学生准备几分钟, 然后找一些小组表演对话。)t: no

18、w, lets look at the picture in 2a, and then finish 2b according to the example with your partner.(几分钟后, 让学生表演。)t:which group can act your dialog out?g:we can. (表演对话。)t:great! any more?3. (教师与一名学生先做示范, 再让其他学生仿照示范完成3。)t:please be quiet! listen to us carefully.example:t:wheres your father?s1:he is in f

19、ront of the house.t:whats he doing?s1:hes cleaning the car.(让学生跟搭档讨论, 完成对话。)t:make conversations with your partner, now.s2: s3: (板书并领读如下生词。)grandfather, door, behind(让学生根据对话和3中的短语连句。)t:please make sentences according to the words and phrases in the boxes in 3.example:father is cleaning the car in fr

20、ont of the house.step 5 project 第五步 综合探究活动(时间:10分钟)通过活动, 增强学生的综合运用能力。1. (呈现给学生一张表格, 介绍自己的教室。)there isa teachera clocka blackboardthere arestudentsbooksdeskst: introduce our classroom according to the form, and then report to the class.example:(陈述形式。)there is a teacher in our classroom.there are some

21、 students in our classroom.(问答形式。)s1: is there a teacher in our classroom?s2: yes, there is.s1: are there any students in our classroom?s2: yes, there are.s1: is there a cat?s2: no, there isnt.2. (完成4。)(1)(让学生自己画一张自己家的图片, 并用英文标出所画房间及物品名称。)t: draw a picture of your own house, and mark the names of ro

22、oms and home items.(2)(运用演讲形式, 让学生介绍自己最喜欢的房间及房间里都有什么。)t:make a report to introduce your favorite room and what is in it.example:my favorite room is my study. its behind the garden. i can do my homework there. theres a computer in it. theres also a tv in it. i often watch tv in my study(3)(让学生四人一组做一个

23、关于“whats your favorite room?”的调查报告, 然后全班分组调查, 最后随机抽学生向大家汇报。)example:××s favorite room is his/her study. he/she can study in his/her study(4)(找找看。)(出示一张房间的图片, 让学生找物品的位置, 引出“whats in that room?”为下一课作铺垫。)t:boys and girls, whats in that room?ss: there is a bed, a light t:where is the desk?ss:i

24、ts near the window.t: very good. lets begin.3. (家庭作业。) (让学生画一幅自己理想中的房子，并用英语进行简单的描述。不少于6个句子。)t: draw a picture of your ideal house. then write a short passage about it. (at least six sentences.).疑点探究play with意为“玩耍；游戏；玩乐”，多指儿童的活动。如：the child is playing with a ball. 这个孩子正在玩球。play意为“打、玩、踢”等意思时，常指正式的球类运动

25、和演奏活动。如：they are playing basketball on the playground. 他们正在操场上打篮球。section bsection b needs 12 periods. section b需用12课时。the main activities are 1a and 3. 本课重点活动是1a和3。. aims and demands目标要求1. (1)learn the names of home items:lamp, clock, table, key, window(2)learn other new words and phrases:talk abou

26、t, near, under, put away, thing, dad, model, river2. go on learning the structure of“there be” and the prepositions of position.whats on your desk? there is a lamp, a computer, some books and so on.how much water is there? only a little.how many boats are there on the river? there are two.3. learn t

27、o look after ones own things.put it away, please.you must look after your things. teaching aids 教具录音机/挂图/实物. five-finger teaching plan 五指教学方案step 1 review 第一步 复习(时间:6分钟)复习there be句型, 导入1a。1. (在黑板上呈现一张漂亮的两层楼挂图, 有书房、卧室、厨房、餐厅、客厅、卫生间、花园，复习there be句型。)(把图拿走, 要求学生凭着记忆, 描述这张图, 采用竞赛的形式, 可小组竞赛, 也可以个人为单位竞赛, 教

28、师给予奖励, 激发学生的学习热情。)(竞赛规则如下:参赛者只能在规定的两分钟内描述这张图, 说对一句, 得一分, 谁得的分最多, 谁就获胜。)t: look at the picture for one minute. then ill take it away. you need to say as many sentences as possible about it in two minutes.example:theres a study on the second floor.theres a garden in front of the house.there are some f

29、lowers in the garden.the living room is next to the dining room.2. (利用1a的挂图, 引导学生复习there be句型, 并引入新单词和新句型。)t:now, lets look at the picture. what can you see in it?s1:i can see a sofa.t:oh, i see. its near the desk.s2:i can see a family photo.t:can you see a clock on the wall? its near the photo.t:wh

30、ats on the desk?ss: there is a lamp, a computer, some books and so on.t:we can also say, “there are some books, a lamp, a computer and so on.” is there a clock on it? ss:no, there isnt. (让学生通过观察去发现规律。)(板书)(1) whats on your desk?there is a lamp, a computer, some books and so on.(2) is there a clock o

31、n it?yes, there is. / no, there isnt.(3) its near the desk.explain the phrase: talk about.step 2 presentation 第二步 呈现(时间:6分钟)呈现1a。1. (让学生听1a的录音, 回答下面的问题。)t:listen to 1a and answer the questions.(板书)(1) wheres the sofa?(2) whats on the desk?(3) where is the clock?(核对答案。)2. (让学生再听1a，注意语音和语调。) t: please

32、 listen to the tape and pay attention to the pronunciation and intonation.3. (让学生根据语音和语调分角色朗读1a。)t: please work in pairs, and read the dialog in roles.step 3 consolidation 第三步 巩固(时间:8分钟)巩固1a, 完成1b。1. (让学生合上书本, 看1a的挂图, 描述jane的书房, 巩固there be句型。)t:please close your books and look at the picture in 1a.

33、then describe janes study. ok?2. (根据1a, 两人一组谈论自己的书房/卧室, 并完成1b。让学生理解under。)t:now, ill give you some minutes to talk about your study/bedroom then act out your dialogs in pairs.example:s1:whats in your study?s2:there is/are s1:is there a/an ?s2:yes, there is./no, there isnt.3. (让学生根据1a所学，试着用几句话来描述一下自己

34、的书房、卧室) t:according to la, try to use some sentences to describe your study, bedroom step 4 practice 第四步 练习(时间:15分钟)通过练习, 完成2, 3, 4。1. (1)(让学生看2的图, 听录音, 完成2。让学生掌握生词table, key, put away, dad和thing。)t:look at the pictures in 2, and listen to the tape and finish 2.(2)(听完录音, 核对答案。)t:who can tell us your

35、 answers?s1:“on, there are, keys”.s2:“behind, theres, away”.t: thats right.(3)学习下列句子。(理解即可)a. i think theyre judys.b. dont put them there. put them away, please.c. you must look after your things.2. (可以用课前准备好的实物, 让学生用there be句型回答。)(方案一)(教师从书包中取出香蕉藏在身后，导出新句型。)t:are there any bananas in my bag?ss:no,

36、there arent. they are behind you.t:how many bananas are there?ss:there are two.t:well done!(出示一个装有很少水的瓶子，导出新句型。)t:now, please look at my hand. whats in it?ss:there is a bottle in it.t:is there any water in the bottle?ss:yes, there is.t:how much water is there?ss:only a little.(板书)how many+可数名词复数形式+a

37、re there ?there arehow much+不可数名词+is there ?there is(方案二)(教师出示三个香蕉。)t:now, please look here. whats in my hand?ss:there are three bananas.(将香蕉装入书包中。)t:are there any bananas in my bag?ss:yes, there are.t:how many bananas are there?(在句子下面画线，以示注意。)ss:there are three.t:well done, boys and girls!(再用orange

38、s, books等可数名词进行pair work或chain drills。操练后，让学生归纳how many+可数名词的复数形式+are there? )(教师边说oh, weve talked so long. i think you must want to drink a little water.边把一个装有一点水的杯子，递给一个学生，示意他/她作答。)t:is there any water in your cup?s:yes, there is.t:how much water is there?(句子下面画线。)s:only a little.t:excellent.(身体语言

39、，竖起大拇指。)(再用milk, tea等不可数名词进行pair work或chain drills。操练后，让学生归纳how much+不可数名词+is there? )(板书形式)中的对话how many+ + there ?中的对话how much+ + there ?3. (让学生看3的图片, 完成3。让学生掌握生词window和model。)t:lets go to 3. there are eight pictures in it. first, read the dialogs below picture 1 and 2 by yourselves for one minute.

40、(一分钟以后)t: now, lets look at picture 1 and 2. make new dialogs according to picture 1 and 2.(两分钟以后, 挑选两组表演。)t:ill choose two pairs to act them out.g1:a: whats near the window?b: there is a guitar near it.g2:a: are there any books on the shelf?b: yes, there are.(让学生模仿3、4, 完成对话。)t: read the dialogs bel

41、ow picture 3 and 4, and make similar dialogs.g3:a: whats in the tree?b: therere some birds in it.a: how many birds are there? b: there are three.g4: a: is there any milk in the glass?b: yes, there is.a: how much milk is there?b: only a little.4. (看4的图片, 两人一组编对话。让学生掌握生词river。)t: please look at the pi

42、cture in 4, then work in pairs and make new dialogs like this:dialog 1: s3: whats in the picture?s4: there are some dogs in it.dialog 2: s5: are there any monkeys in the tree?s6: yes, there are.s5: how many monkeys are there?s6: there are three.(要求学生用同样的方法编对话, 完成4。)t: pay attention to the difference

43、s between in the river/tree and on the river/tree.step 5 project 第五步 综合探究活动(时间:10分钟)通过活动培养学生实际操作能力。1. (找找看。课前把一些实物, 如铅笔、尺子、书包、小刀等放在教室的不同位置, 让学生找到物品并说明某地有什么。)example:s1: where is the pencil-box?s2: its on the desk.s1: whats under the desk?s2: there is a pencil, a ruler, a knife and two pens.s1: s2: (

44、在开展以上对话活动时, 要求学生特别注意in, on, next to, in front of, behind等介词的使用, 重点练习whats on/in/next to？there is/are)2. (方案一: 让学生两人一组用图文形式介绍自己家里某一房间物品的摆放。其中一名学生画图, 另一名学生配文字说明, 并站在讲台前向学生们描述。)example:my studytheres a family photo on the wall of my study. a clock is next to it. there is a desk and a chair in the study

45、. whats on the desk? there are some books and a computer. theres a football under the chair. behind the desk, theres a cat. do you like the study?(活动结束后, 由学生们选出最佳搭档, 教师给予鼓励和表扬。)(方案二: 两人一组活动, 其中一名学生用文字描述某一房间, 另外一名学生画图。 最后, 把图展示出来, 由学生们选出最佳搭档, 教师给予鼓励表扬。)3. (家庭作业。)(让学生根据4中的图片写一篇小短文。不少于60字。)t:write a sh

46、ort passage according to the picture in 4. (at least 60 words)section csection c needs 1 period. section c需用1课时。the main activities are 1a and 2. 本课重点活动是1a和2。i . aims and demands目标要求1. learn some new words and phrases:in the center of, yard, beautiful, flower, large, left, people, mirror, drawer, ch

47、air, keyboard2. go on learning the prepositions of position and the structure of “there be”.(1)talk about positions.our bathroom is on the right of the yard.where are the shoes? theyre under the bed.where is the computer? its on the desk.(2)talk about existence.there is a small garden in the center

48、of the yard.there are many beautiful flowers in the garden. but there arent any trees.at the back of the yard, there is a nice house.near the house, there is an apple tree.on the left of the yard, there is a kitchen and a dining room.are there many beautiful flowers in the garden?. teaching aids 教具录

49、音机/挂图/图片/简笔画. five-finger teaching plan 五指教学方案step 1 review 第一步 复习(时间:5分钟)复习there be句型, 引出1a。1. (检查并点评上节课布置的家庭作业。)2. (将全班分成4组，利用1a的图片，组与组之间进行问答比赛。)(竞赛规则：将全班分成4组，每组在回答问题后, 提出一个新问题，让另外一组的学生回答，每个问题不能重复。第一个问题由教师问第一组回答。)t:whats in the picture?g1:theres a nice house. wheres the garden?g2:its in front of t

50、he house. is there a big tree?g3:yes, there is. where is it?g4:its near the house.(总结比赛结果，进行鼓励表扬。)(教师引导学生看图，利用已学知识引出1a的新词汇。)t:youre great! now lets talk about the picture together. look! there is a nice house, a garden, a tree, a car and two small houses in the yard. the garden is in the center of t

51、he yard. can you see many beautiful flowers? where are they?ss:yes. in the garden.t:can you find the kitchen, s1?s1:yes. its beside the house.t:youre right. we can also say, “its on the left of the yard”. then who can tell where the bathroom is?s2:i can. its on the right of the yard.t:is the bathroo

52、m small or large, boys and girls?ss:its small.(板书)yard, in the center of, beautiful, flower, left, large(让学生们朗读，必要时教师给以帮助。)t: now please read aloud the new words on the blackboard.step 2 presentation 第二步 呈现(时间:8分钟)呈现1a。1. (呈现听力任务，听1a的录音并判断所给句子的正误。)t: listen to 1a carefully and mark true (t) or false

53、 (f).( ) (1) the house is in the center of the yard.( ) (2) there are some trees in the garden.( ) (3) there is a large living room in the house.( ) (4) their bathroom is on the left of the yard.( ) (5) there are some birds singing in the tree.(再放一遍录音，一边听，一边核对答案；并且注意语音和语调。)2. (让学生朗读1a, 并依次画出介绍院中建筑物位

54、置的关键词, 然后核对。)t:read 1a, and then underline the key words that introduce the positions of the buildings in the yard. then check the answers.t:can we share your answers, s3?s3:certainly t:good!(然后核对。)t:the answers are: center, back, left, right.step 3 consolidation 第三步 巩固(时间:7分钟)巩固1a, 完成1b。1. (让学生仔细阅读

55、1a, 完成1b, 然后教师核对答案。要求学生掌握生词people。)t: now, please read 1a carefully. finish 1b, and then i will check the answers.2. (把全班分成四组, 让学生把1a中的关键词、句找出来列于纸上。从每组选出一名成员按照要点复述短文。)t: the class will be divided into four groups. list some key words and sentences on your paper, and retell the passage according to the key words. ill choose one student in each group to retell it. example: this is my home. there is a small garden in the center of the yard. and in the garden, there are many beautiful f