北师大版小学二年级数学(下册)教(学)案

1、the principle of simplified EIAof construction proje cts in t he region. In termsof land, linked to the implementation of urban and ruralconstruction land increase and decrease, replacement indi cators forpriority areas pr oject. Charges, into theproje cts of water, electricity, administrative charg

2、esand preferential policies. In thearea of taxation, and settled in area s of industry and its production company, wit hin 5 years after thecompletion of fiscal incentives to enterprises. In terms of financing, integration of land, tax, financial and other resources, and construct Government cre dit

3、 + business credit credit system,establi shmentof marketization, commercialization and modernization of the investment and fi nancingplatform; effective Bank-enterprise docking, e ncouragesprivate ca pital into the Park, to raise industrydevelopment fund. 5, optimize the environment a nd serviceindu

4、stries.o create policy l owlands,Highlands, integrityof serviceland, development land as the goal, tcoordinati ng and solving problems associated with businesses in this sector. When there aresubstantial issues, se ctor leaders arranged to personally intervene, in-per son, in-person push tangible ar

5、eabuilding a green light, easy line.To further reduce and standardize administrative examination and approval items, simplify examination and approval li nks, improve efficiency; according to t he .Since the educational practice of the mass lineof the party, himself seriously in the education, pract

6、ical controlcentral eight rules and opposing the four winds and practicing three Suns, and check the spiritof Jiao Yulu, ideology, solicitopinions based on outstandingproblems checked swing, careful analysis and reflection.Willnowche ck report is as follows: first, adherence to the partys political

7、discipline, eight in the central provision, change the style of thebasi c situati onof 1, in compliance with the partys political disciplines.Conscientiously abide by thepartys political discipline, abide by t he Constitutionand the rules and regulations of the party, in t he political, ideologi cal

8、 and maintainhighly consistent with theCPC Ce ntral Committee on the action, there is no violation of thepartys politicaldiscipli ne pr oblems. 2, in the implementation of the central authori ties of the eightprovisions. Improving research, im proving reto streamline and improve the quality of meeti

9、ngsof the Conference. Third, streamlining file briefs, culture involves all aspects of propaganda and ideology, sometimesdue to the practicalnee ds of inventionnotifications, this areaneeds further一、除法一、教学内容： P2P26二、教学要求：1、引导学生经历分苹果等实际操作，初步体会有余数除法与生活的密切联系，并能结合实际操作，体会应用。2、使学生体验除式与竖式的计算过程，能正确掌握商是一位数的除

10、法的竖式书写格式。3、探索有余数除法的试商方法，体会到余数一定比除数少的计算办法，体会到余数一定比除数少。三、教学重难点：1、使学生体会除法的意义及除法竖式的计算过程。2、引导学生在实际操作中体会把一些物品平均分后有余数，体会余数，要比除数小。3、使学生理解和掌握有余数除法的试商方法是本单元教学的难点。四、教学时数：5 课时五、教学进度 ：第 12周除 法（一）认识 竖 式一、教学内容： P2P3二、教学目标：1、引导学生经历分苹果等实际操作，初步体会有余数除法与生活密切联系。2、通过引导学生进行实际操作，计算出有余数除法的书写格式，体会余数一定比除数少。3、在操作、探索、发现中，使学生获得积

11、。三、重点难点：1. 使学生体验除法的意义及乘法竖式的计算过程。体会余数要比除数小。2. 通过分苹果的实际操作，总结出除法竖式的书写过程，使学生体会到除法竖式每一步的实际含义。四、教具、学具准备：教师准备：课件、实物投影仪学生准备：每个人准备若干圆片五、教学过程：（一）、问题引入（二）、探索新知1、 体验除法竖式的计算过程。（ 1）先让学生独立思考上述问题（ 2）接着进行全班集体交流。（ 3）同桌同学合作摆 20 个圆片，验证推算结果。（ 4）介绍除法竖式的写法：20 544 商除数 被除数2 0除数与商的积0余数（5）练习streamlining. Four are standar d vi

12、sits, except as require d to participate in training, no other activity. Five i s to improvenew s reporting, forpropaga nda work stri ctly according to the regulations. Six is strictly your presentation published stri ctly according to the regulations.Seven is strictly thrift, required theuse of veh

13、icles and officespa ce and corporate hospitality. 3,cha nge the style.Propaganda and ideological work of thenew situation and new requirementsof the new tasks,had done a lotof fruitful work,has made many achievements, but further closer t o the grass roots, close to reality, cl ose to the masses and

14、 also inade quate innovation must continue to improve. Second, the four winds some outstanding issues 1, oppose formalism. One theory is that he didnt, with less close contact.The oreticalstudy of consciousness is not high enough, sy stem performance i s notstrong enough; m ore pa ssive learessenceo

15、f the scientificOutl ook on devel opment , di d not truly achieve mastery, to a pply, to acertain extent, affect thedevel opme nt and implementation of ideas and initiatives. Second, workarrangements, and less supervision. Propaganda and i deological work is the objective, which needs to keep thecon

16、tinuity efforts deployed, but stressed in t he work time, less supervision. For example, color weekends in the summer theatrical activities, city square performance s, urging townshi ps,communities and r ural areasshows the implementation is ina de quate, insufficient cultural an e ducational role t

17、oplay. T hirdbaseenough, master grass-less real. Propaganda a nd ide ological workin the new situationof characteristics and regularity of enough, deep enough for grass-r ootspublicopinion Dynamicssurve y, for grass-roots typically drive less. F or example, rural culture team active, . Im not active

18、ly take the initiative to take up, thelackof spiritof daring tprevious work experience, lack of innovation initiatives, studyon the characteristics of propaga nda and ideological work under the newsituation through, grip on grassroots ideological trends and cha nges are not deep, topromote new initi

19、atives and explorenew methodsof ideological andcult ural work is not much, and some lack of relevance and timeliness. 4, discipline, loweri ng, and hard work are lacking. While working andenterpri sing spirit down. No realsol ution to treat yourself right, correctly treat past honors, theircomplacen

20、cy, and work tosee their scores more, less checking his ownshortcomings, like to listen to thepraise,satisfied face,online promotion, there are typical, and l ack of high standards andstrict requirements, the effect is real. Second hard drive less.On hard andthe principle of simplified EIAof constru

21、ction proje cts in t he region. In termsof land, linked to the implementatis, seonof urban and ruralconstruction land increase and decrease, replacement indi cators forpriority areas project. Charges, into theproje cts of water, electricity, administrative chargesand preferential policies. In theare

22、a of taxation, and settled in area s of industry and its production company, wit hin 5 years after thecompletion of fiscal incentives to enterprises. In terms of financing, integration of land, tax, financial and other resources, and construct Government cre dit + business credit credit system,estab

23、li shmentof marketization, commercialization and modernization of the investment and fi nancing platform; effective Ba nk-enterprise docking, e ncouragesprivate ca pital into the Park, to raise industrydevelopment fund. 5, optimize the environment andserviceindustries.o create policy l owlands,Highl

24、ands, integritycoordinati ng and solving problems associated with businesses in this sector. When there aresubstantial issuector leaders arranged to personally intervene, in-person, in-person push tangible areabuil ding a green light, easy line.To further reduce and standardize administrative examin

25、ation and approval items, simplify examination a nd approval links, improve efficiency; according to t he .Since the educational practice of the mass lineof the party, himself seriously in the education, practical controlcentral eight rules and opposing the four winds and practicing three Suns, and

26、check the spiritof Jiao Yulu, ideology, solicitopinions based on outstandingproblems checked swing, careful analysis and r eflection.Will now che ck report is as follows: first, adherence to the partys political discipline, eight in the central provision, change the style of thebasi c situati onof 1

27、, in compliance with the partys political disciplines.Conscientiously abide by thepartys political discipline, abide by t he Constitutionand the rules and regulations of the party, in t he political, ide ological and maintainhighly consistent with theCPC Ce ntral Committee on the action, there is no

28、 violation of thepartys politicaldiscipli ne pr oblems. 2, in the implementation of the central authorities of the eightprovisions. Improving research, im proving reto streamline and improve the quality of meetingsof the Conference. Third, streamlining file briefs, culture involves all aspects of pr

29、opaganda and ideology, sometimesdue to the practicalnee ds of inventionnotifications, this areaneeds further学生独立完成课本第2 页试一试四道小题，指名板书，集体订正。2、 体会平均分后有余数（ 1）演示 20 个苹果（ 2）小组讨论：有20 个苹果，如果每盘放6 个呢？学生用圆片分一分，讨论怎样用竖式表示。（ 3）全班交流3、 体验余数一定要比除数小（ 1）先由学生操作（用圆片分一分）。再列出除法竖式，独立解答“课本第3 题试一试中的第（1）题”。（ 2） 学生讨论：淘气的列式对不对，

30、为什么？指名回答，引导学生认识“ 6 还可以接着分” ，正确的式子应是笑笑做的。（ 3） 讨论：根据刚才这道习题，你发现什么？余数一定要比除数小。（ 4） 学生独立完成第（ 2）题。指名板书，全班齐练。练习完，比较每道题的余数和除数，你发现了什么？指名回答：余数要比除数小。( 三 ) 、巩固练习：第3 页“练一练”第1、 2 题。( 四) 、总结（除法竖式的写法，有余数的除法，余数要比除数小。）第二课时：除法（二）试商方法教学内容 ：P4 5“分草莓”教学目标 ：1. 引导学生探索有余数除法的试商方法，让学生再探索、练习中激烈有余数除法的试商经验。2. 引导学生运用有余数除法的有关知识，练习生

31、活实际解决简单的问题，让学生再探索、发现中体验乘法的喜悦。3. 对学生进行安全教育。重点难点 ：1. 经历试商的过程，积累试商的经验，逐步达到熟练程度。2. 使学生理解和掌握有余数除法的试商方法。体会余数要比除数小。教具准备 ：投影仪教学过程：一、复习1. 提问：在有余数除法里，余数和处世有什么关系？2.练一练： 10516518520 5335全班齐练，指名板演。订正后让学生对5 小题进行分类：有余数的算式，没有余数的算式。二、探索新知1. 探究试商方法。（ 1）课件显示 P4“分草莓”的画面，让学生理解题意。55 个草莓平均放在8 个盘子里，每个盘子里可以放几个？还剩几个？streamli

32、ning. Four are standard visits, except as required toparticipate in training, no other activity. F ive is to improve news reporting, for propaga nda work strictly according to the regulations. Six is strictly your presentation published strictly according to the regulations.Seven is strictly thrift,

33、 required theuseof vehicle s and office space and cor porate hospitality. 3,cha nge the style.Propaganda and ideological workof the newsituati on and new requirements of the new tasks, had done a lotof fruitful work, has made many achievements, but further closer to the grass roots, close to reality

34、,close to the masses and also inadequate innovation must continue to improve. Second, the four winds some outstanding issues 1, oppose formalism. One theory is thathe di dnt, with lessclose contact. Theoretical study of consciousness is not highen ough, system performance is not strong enough; more

35、passive learning, active learning few generalities and learn more, delving into less. Espe cially basedon rational thiessence of thescie ntific Outlook on development,did not truly achieve mastery, to a pply, to a certain extent, affect thedevelopment and implementationof ideas a nd initiatives. Sec

36、ond, work arrangements, and lesssupervision. Propaganda a nd i deologica l work is the objective,whi ch needs to keep thecontinuity efforts deployed, but stressed in the work time, less supervision. For example,color weekends in the summer theatrical activities,city square performance s, urging t ow

37、nships, communities and rural areasshows the implementation is inadequate, insufficient cultural an educational role toplay. Third base enough, master grass-less real. Propaganda and ideol ogical w ork in the newsituation of characteristics a nd regularity of enough,dee p enough for grass-rootspubli

38、c opinionDynamics survey, for grass-roots typica lly drive less. For example, rural culture team active, . Im not actively take the initiative to take up, the lack of spirit of daring to, resulting iprevious work experience, lack of innovation initiatives, studyon the characteristics of propaga nda

39、a nd ideological w ork under the newsituation through, grip on grassroots ideological trends and changes are not deep, topromote new initiatives and explorenew methodsof ideological andcult ural work is not much, and some lack of relevance and timeliness. 4, discipline, loweri ng, and hard work are

40、lacking.While working andenterpri sing spirit down. No realsolution to treat yourself right, correctly treat past honors, theircomplacency, and work tosee their scores more, less checking hi s ownshortcomings, like to listen to the praise,satisfied face,online promotion, there are typical, and lack

41、of high standards andstrict requirements, the effect is real. Second hard drive less. On hard and2.（ 2） 列算式： 55 8（ 3） 让学生估算每盘大约放几个。（ 4） 小组讨论：怎么判断估计得对不对。8 7=56 比 55 大； 8 6=48 比 55 小。所有商6。思考：如果商是5 可以吗？如果商是5，则会出现余数比除数大的情况，所有商不能是5，更不能是比5 小的数。（ 5） 讨论：怎样估计两数相除所得的商？可以利用乘法口诀，两数相乘的积要最接近被除数，但又要比被除数小。（ 6） 计算有余

42、数除法的四个步骤：一商，二乘，三减，四比。2. 填空： P4“试一试”。（订正时可以让学生口述思路过程。 ）三、巩固练习： P5 “练一练”的第 1 5 题。四、总结第三课时：除法（三）解决问题教学内容 ：P6 8“租船”教学目标： 1. 培养学生灵活运用有余数除法的有关知识解决生活中的简单实际问题的能力，发展应用意识。2. 引导学生在合作交流中勇于表达自己的想法，学会倾听他人的意见；通过合理解决实际问题，让学生体验成功的喜悦。3.对学生进行安全教育。重点难点： 运用有余数除法解决问题，练习学生的生活实际，通风自主探索、合作交流，分析、解决生活中的实际问题。教具准备 ：投影仪、学生准备小棒。教

43、学过程 ：一、复习1. 最大能填几？（指名口答）（） 625 8 （）38 7 （） 402. 列竖式计算（全班齐练，三人板练，集体订正）485=36 6=537=3. 提问：你认为试商时要注意什么？二、探索新知出示 P6 主题图，引导学生观察。1.寻找信息：每条船每时3 元、每条船限乘4 人2. 提出问题：至少要租几条船？3. 解决问题。在个人思考的基础上进行小组交流。交流时围绕：你时怎样想的，如何列式，怎样回答问题。学生口答，教师板书：21 4=5（条） 1（人）至少要租 6 条船。.the principle of simplified EIAof construction proje

44、cts in t he region. In termsof land, linked to the implementatis, seonof urban and ruralconstruction land increase and decrease, replacement indi cators forpriority areas project. Charges, into theproje cts of water, electricity, administrative chargesand preferential policies. In thearea of taxatio

45、n, and settled in area s of industry and its production company, wit hin 5 years after thecompletion of fiscal incentives to enterprises. In terms of financing, integration of land, tax, financial and other resources, and construct Government cre dit + business credit credit system,establi shmentof

46、marketization, commercialization and modernization of the investment and fi nancing platform; effective Ba nk-enterprise docking, encouragesprivate ca pital into the Park, to raise industrydevelopment fund. 5, optimize the environment andserviceindustries.o create policy l owlands,Highlacoordinati n

47、g and solving problems associated with businesses in this sect or. When there aresubstantial issuector leaders arranged to personally intervene, in-person, in-person push tangible areabuil ding a green light, easy line.To further reduce and standardize administrative examination and approval items,

48、simplify examination a nd approval links, improve efficiency; according to t he .Since the educational practice of the mass lineof the party, himself seriously in the education, practical controlcentral eight rules and opposing the four winds and practicing three Suns, and check the spiritof Jiao Yu

49、lu, ideology, solicitopinions based on outstandingproblems checked swing, careful analysis and r eflection.Will now check report is as follows: first, adherence to the partys political discipline, eight in the central provision, change the style of thebasi c situati onof 1, in compliance with the partys political disciplines.