北師大版小學數(shù)學四年級上冊全冊教案修改版

1、statistics)(Ii)animalimmuneantibodytheblightmoniting1samplingsituationaccdingtoXXcityanimalblightpreventionControlCenterissuedtoIdistrictofmonitingtaskcombinedIdistrictactualputtaskbyanimalfeedingsituationdecompositionto

2、theXiang(town)samplingrangecoversareaallXiang(town)ofdamdistrictmountainlevelsfocussamplingscalefarmstownaroundhighwayalongfocusengineeringaroundfarmingintensivedistrictepidemicpreventionmodelsocialblightspreadhighriskre

3、gionalfeedingofhasfromanimal.⑴Springanti2015springantitotalsamplingserum548copieswhichincludingpigserum59copiessamplingrangeinvolved7aXiang(town)7avillage10householdsfarminghouseholdswhichcontains2afarmschickenserum250co

4、piessamplingrangeinvolved7aXiang(town)7avillage14householdsfarminghouseholdswhichcontains10ascalefarminghouseholdssheepserum70copiessamplingrangeinvolved7aXiang(town)7avillage7householdsfarminghouseholdscattleserum70copi

5、essamplingrangeinvolved7aXiang(town)7avillage8householdsfarminghouseholds99equineserumsamplingcovers2villages897farmingfamilyinavillage.⑵fallpreventionisexpectedinlateOctober.2immuneantibodymonitingresultsmonitingserum69

6、7①preventionmonitingovertheareainthespring.WhichchickenMetroepidemicantibodydetection130copiesqualified94copiesrate72.3%avianinfluenza(H5N1)antibodydetection250copiesqualified223copiesrate89.2%cattlewdiseaseantibodydetec

7、tion70Toufenqualified50copiesrate71.4%sheepwdiseaseantibodydetection70Toufenqualified50Toufenrate71.4%classicalswinefeverantibodydetection59Toufenqualified55copiesrate93.2%pigwdiseaseantibodydetection59Toufenqualified42c

8、opiesRateof71.2%.Blueearpigdiseaseantibodydetection59Toufenqualified58was98.3%.②fallpreventionisexpectedinlateOctober.⑵pathogenmoniting①springcontrolserum549indetectionofpathogensintheautonomousregion.Whichpigpseudocrazy

9、dogdetection59Toufenpositive26copiespositiverate44.1%pigbtypeencephalitisdetection59Toufenpositive6copiespositiverate10.2%pigringvirusdiseasedetection27Toufenpositive9copiespositiverate33.3%clothsBacillusdiseasedetection

10、199Toufenpositive0copiespositiveratef0MaChuanpovertydetection99Toufenpositive0copiespositiveratef0Willdetect527positivethepositiveratef13.5%.DetectionofpcineParvovirus274positivepositiverates14.8%27pathogendetectionofcla

11、ssicalswinefeverpositive0positiverateof0.②fallpreventionisexpectedinlateOctober.⑶LungplagueserumsamplessentCentersamples30rabiesimmuneserum10dogbrainof5copiesofhighlypathogenicavianinfluenzasubtypeH7N9fluNewcastledisease

12、ofchickenLaryngotracheal60duckpipe20thehighlypathogenicblueearpigspleenlungsof40cottonswabinfluenza10.(C)epidemiologicalinvestigationdisposition1outbreakonFebruary32015longTanXianglongTanvillagesmallgroupsofvillagerssusp

13、ectedgoatsmallruminantanimalepidemicdiseasesinvolving3132goats.OnJune152015NanpingtownlazymanLianCunWeiHuichickenfarmerGuoShuansteadynexttothefiretovillagegroupsofpoultrydiseaseinitiallydiagnosedassuspectedtypeofanimaldi

14、sease.Veterinarysectleft67deadchickenswereculledharmlesstreatmentdiedonthespotovermethan200chickenswereburied.OnJuly12015to7thLiuShunZhenGuanFangvillageswinestreptococcidiseaseepidemictheincidenceof14households43killed3.

15、OnAugust112015asZhenHaiZiWeiHuithebreedingofgoatssheepdrysesnumber4920nodeath.OnAugust152015thetownofBanpoVillagefarmersraisingswineStreptococcussuisnumber5theincidenceof5deaths2.(Four)mtalitysurveyisexpectedtoNovemberca

16、rriedout(five)eradicationhseinfectionsexanemiadiseasewkIdistricteradicationhseinfectionsexanemiawkcurrentlyhascompletedofwkhas:establishedhasXXdistricteradicationhseinfectionsexanemiadiseasewkledgroupdevelopedhasimplemen

17、tationprogrammecompletedhasoverofmonitingtaskwrotehasoversummaryhasnodetectionoutpositivehseisanimalissuedhastheXiang(town)villagelevelnohseisanimalstockproved.Thirdthemeasurestakenby(a)thepreciseplanningimplementationof

18、majanimalepidemicpreventioncontrolwkinmyarealeadersattentionthemeticulousonFebruary102015themajanimalepidemicpreventiontreatmentheadquartersheldbythetownship(town)ingeoftheleadershipthetownship(town)animalhusbryveterinar

19、ystationbelongedtothestationchieftoparticipateinanimalepidemicpreventionwkConferencewiththetownship(town)peoplesGovernmentsignedtheyearResponsibilityfanimalepidemicprevention.WillShangissuedhasXXdistrict2015animalepidemi

20、cpreventionwkimplementationprogrammethe321technologyprogrammeDistrictGovernmenttheXiang(town)Governmentsignedhasanimalepidemicpreventiontargetresponsibilitystressedtoalwaysputmajanimalblightcontrolwkputinlivestockveterin

21、arywkofprimarylocationtohighpathogenicsexavianinfluenzalivestockfootmouthfiveamajanimalblightcontrolffocusfurtherimproveawarenessimplementationresponsibilitycarefullyganizationsolidwkensurespringantithetargetontimebyqual

22、itybyvolumecompleted.Afterthemeetingthetownship(town)alsoheldthewkofanimalepidemicpreventionwktomobilizedeploymentdeveloparesponsibilityinaccdancewiththe“focusonimmunizationfenpianbaoganentirevillagestopromote“wkrequirem

23、ents“321“technicalwkprogramme.(B)enhancedmonitingactiveoutbreakwarningasofSeptember202015havecompletedallsamplessubmittedtasksbasedonpathogensurveillancefollowingcarefulanalysisoftheepidemicinourregioncommunicateinatimel

24、ymannerthevillages(towns)ofanimalhusbryveterinarystationprovideguidancetothewkofanimalepidemicpreventionintheautonomousregion.Immunepreventionwkwasalloverinthespringisnowcompleteantibodymonitingbloodupcomingtesting.(Iii)

25、theimplementationofmeasurestoensurethatwkisinplacetoensurethatthepreventioncontrolofmajanimaldiseasesintorealityXXdistrictanimalhusbryveterinaryBureautoestablisharesponsibilitysystemdistrictleveltechnicianseachassociatio

26、n1townships(towns)supervisiontechnicalguidance.DistrictvillagelayerLayersignedtargetresponsibilitytoimproveepidemicpreventionMembertreatmentspringtwo北師大版小學數(shù)學四年級上冊全冊教案第一單元認識更大的數(shù)單元教學目標1.經(jīng)歷收集日常生活中常見大數(shù)的過程，感受學習更大數(shù)的必要性，并能體驗大數(shù)的

27、實際意義。2.通過實踐操作活動，認識億以內(nèi)數(shù)的計數(shù)單位，了解各單位之間的關系。并會正確讀、寫以及比較數(shù)的大小。3.在收集數(shù)據(jù)的過程中，認識數(shù)據(jù)改寫單位的必要性，掌握萬、億為單位表示大數(shù)的改寫方法。4.理解近似數(shù)在實際生活中運用的意義，能自主探索、掌握近似數(shù)的方法，能對更大的數(shù)進行估計。第一節(jié)數(shù)一數(shù)教學時間：累計節(jié)數(shù)：教學目標：1.通過“數(shù)一數(shù)”的活動，感受學習較大數(shù)的必要性，并能體驗較大數(shù)的實際意義。2.認識“十萬”、“百萬”、“千萬”

28、、“億”等較大的計數(shù)單位，并能了解各單位之間的關系。教學重、難點：1.感受大數(shù)的必要性，體驗達數(shù)的實際意義。2.了解各單位之間的關系。statistics)(Ii)animalimmuneantibodytheblightmoniting1samplingsituationaccdingtoXXcityanimalblightpreventionControlCenterissuedtoIdistrictofmonitingtaskco

29、mbinedIdistrictactualputtaskbyanimalfeedingsituationdecompositiontotheXiang(town)samplingrangecoversareaallXiang(town)ofdamdistrictmountainlevelsfocussamplingscalefarmstownaroundhighwayalongfocusengineeringaroundfarmingi

30、ntensivedistrictepidemicpreventionmodelsocialblightspreadhighriskregionalfeedingofhasfromanimal.⑴Springanti2015springantitotalsamplingserum548copieswhichincludingpigserum59copiessamplingrangeinvolved7aXiang(town)7avillag

31、e10householdsfarminghouseholdswhichcontains2afarmschickenserum250copiessamplingrangeinvolved7aXiang(town)7avillage14householdsfarminghouseholdswhichcontains10ascalefarminghouseholdssheepserum70copiessamplingrangeinvolved

32、7aXiang(town)7avillage7householdsfarminghouseholdscattleserum70copiessamplingrangeinvolved7aXiang(town)7avillage8householdsfarminghouseholds99equineserumsamplingcovers2villages897farmingfamilyinavillage.⑵fallpreventionis

33、expectedinlateOctober.2immuneantibodymonitingresultsmonitingserum697①preventionmonitingovertheareainthespring.WhichchickenMetroepidemicantibodydetection130copiesqualified94copiesrate72.3%avianinfluenza(H5N1)antibodydetec

34、tion250copiesqualified223copiesrate89.2%cattlewdiseaseantibodydetection70Toufenqualified50copiesrate71.4%sheepwdiseaseantibodydetection70Toufenqualified50Toufenrate71.4%classicalswinefeverantibodydetection59Toufenqualifi

35、ed55copiesrate93.2%pigwdiseaseantibodydetection59Toufenqualified42copiesRateof71.2%.Blueearpigdiseaseantibodydetection59Toufenqualified58was98.3%.②fallpreventionisexpectedinlateOctober.⑵pathogenmoniting①springcontrolseru

36、m549indetectionofpathogensintheautonomousregion.Whichpigpseudocrazydogdetection59Toufenpositive26copiespositiverate44.1%pigbtypeencephalitisdetection59Toufenpositive6copiespositiverate10.2%pigringvirusdiseasedetection27T

37、oufenpositive9copiespositiverate33.3%clothsBacillusdiseasedetection199Toufenpositive0copiespositiveratef0MaChuanpovertydetection99Toufenpositive0copiespositiveratef0Willdetect527positivethepositiveratef13.5%.Detectionofp

38、cineParvovirus274positivepositiverates14.8%27pathogendetectionofclassicalswinefeverpositive0positiverateof0.②fallpreventionisexpectedinlateOctober.⑶LungplagueserumsamplessentCentersamples30rabiesimmuneserum10dogbrainof5c

39、opiesofhighlypathogenicavianinfluenzasubtypeH7N9fluNewcastlediseaseofchickenLaryngotracheal60duckpipe20thehighlypathogenicblueearpigspleenlungsof40cottonswabinfluenza10.(C)epidemiologicalinvestigationdisposition1outbreak

40、onFebruary32015longTanXianglongTanvillagesmallgroupsofvillagerssuspectedgoatsmallruminantanimalepidemicdiseasesinvolving3132goats.OnJune152015NanpingtownlazymanLianCunWeiHuichickenfarmerGuoShuansteadynexttothefiretovilla

41、gegroupsofpoultrydiseaseinitiallydiagnosedassuspectedtypeofanimaldisease.Veterinarysectleft67deadchickenswereculledharmlesstreatmentdiedonthespotovermethan200chickenswereburied.OnJuly12015to7thLiuShunZhenGuanFangvillages

42、winestreptococcidiseaseepidemictheincidenceof14households43killed3.OnAugust112015asZhenHaiZiWeiHuithebreedingofgoatssheepdrysesnumber4920nodeath.OnAugust152015thetownofBanpoVillagefarmersraisingswineStreptococcussuisnumb

43、er5theincidenceof5deaths2.(Four)mtalitysurveyisexpectedtoNovembercarriedout(five)eradicationhseinfectionsexanemiadiseasewkIdistricteradicationhseinfectionsexanemiawkcurrentlyhascompletedofwkhas:establishedhasXXdistricter

44、adicationhseinfectionsexanemiadiseasewkledgroupdevelopedhasimplementationprogrammecompletedhasoverofmonitingtaskwrotehasoversummaryhasnodetectionoutpositivehseisanimalissuedhastheXiang(town)villagelevelnohseisanimalstock

45、proved.Thirdthemeasurestakenby(a)thepreciseplanningimplementationofmajanimalepidemicpreventioncontrolwkinmyarealeadersattentionthemeticulousonFebruary102015themajanimalepidemicpreventiontreatmentheadquartersheldbythetown

46、ship(town)ingeoftheleadershipthetownship(town)animalhusbryveterinarystationbelongedtothestationchieftoparticipateinanimalepidemicpreventionwkConferencewiththetownship(town)peoplesGovernmentsignedtheyearResponsibilityfani

47、malepidemicprevention.WillShangissuedhasXXdistrict2015animalepidemicpreventionwkimplementationprogrammethe321technologyprogrammeDistrictGovernmenttheXiang(town)Governmentsignedhasanimalepidemicpreventiontargetresponsibil

48、itystressedtoalwaysputmajanimalblightcontrolwkputinlivestockveterinarywkofprimarylocationtohighpathogenicsexavianinfluenzalivestockfootmouthfiveamajanimalblightcontrolffocusfurtherimproveawarenessimplementationresponsibi

49、litycarefullyganizationsolidwkensurespringantithetargetontimebyqualitybyvolumecompleted.Afterthemeetingthetownship(town)alsoheldthewkofanimalepidemicpreventionwktomobilizedeploymentdeveloparesponsibilityinaccdancewiththe

50、“focusonimmunizationfenpianbaoganentirevillagestopromote“wkrequirements“321“technicalwkprogramme.(B)enhancedmonitingactiveoutbreakwarningasofSeptember202015havecompletedallsamplessubmittedtasksbasedonpathogensurveillance

51、followingcarefulanalysisoftheepidemicinourregioncommunicateinatimelymannerthevillages(towns)ofanimalhusbryveterinarystationprovideguidancetothewkofanimalepidemicpreventionintheautonomousregion.Immunepreventionwkwasallove

52、rinthespringisnowcompleteantibodymonitingbloodupcomingtesting.(Iii)theimplementationofmeasurestoensurethatwkisinplacetoensurethatthepreventioncontrolofmajanimaldiseasesintorealityXXdistrictanimalhusbryveterinaryBureautoe

53、stablisharesponsibilitysystemdistrictleveltechnicianseachassociation1townships(towns)supervisiontechnicalguidance.DistrictvillagelayerLayersignedtargetresponsibilitytoimproveepidemicpreventionMembertreatmentspringtwo3到10

54、個千萬是多少時，可以讓學生自己命名新的計數(shù)單位，在學生各種命名中，教師然后才引出“億”的計數(shù)單位。2.在計數(shù)器上進行操作，并把每一次認識的新的計數(shù)單位都與計數(shù)器對應起來。這樣，既可以理解各計數(shù)單位之間的關系，又能較直觀地認識計數(shù)單位的大小?；顒尤壕毩暬顒?.說一說，撥一撥。讓學生認識相鄰計數(shù)單位之間關系，通過學生的撥珠活動，既可以鞏固對較大數(shù)的認識，又能使他們進一步理解十進制計數(shù)方法“滿十進一”的計數(shù)原則。所以，這一活動應讓學生自己嘗