小数的意义人教版教案

《小数的意义人教版教案》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

1、小数的意义人教版教案篇一：新人教版小数的意义教学设计《小数的意义》教学设计教材分析：1、教学内容：义务教育教科书数学四年级下册P32-33页《小数的意义和性质》中的“小数的意义”问题。2、内容分析：教材选用测量黑板、课桌，一方面这两种事物都是教室里学生非常熟悉的，另一方面学生在测量之后除了能够体会小数的产生于实际需要以外，还可以将测量结果作为一般的常识来掌握。考虑到学生对长度单位比较熟悉,教材仍选用了米尺作为教学小数意义的直观教具，以长度单位为例说明小数的实质是十进分数的另一种表现形式。教材通过分米（厘米、毫米）改写成米数，三个层次共同说明，把低级单

2、位的数改写成高级单位的数可以用分母是10.100.1000的分数表示，再进一步用小数表示。教材着重从“小数是十进分数的另一种表现形式”的角度说明小数的含义，最后教材说明小数的计数单位及相邻两个计数单位之间的进率由学生自己填出。organizationsystemandworkingmode,theselectionofanumberofmunicipalstrengtheninggrouptobuildinnovationandstrengthentheorganizationofthebasiclevelorganizationsadvancedm

3、odel.(seven)themanualworkoftheCommunistYouthLeagueOrganizationpublished<>and<>Leaguebranchofmanualwork,topromotetheuseoftwomanualsinthecity'sorganizationsatvariouslevels.Thecountycommittee,directlyunderthegroup(work)isunderthejurisdictionofgrassrootsLeagueandgroup(total)usingbr

4、anchratioshallnotbelessthan70%.Three,tofurtherstrengthenthegroup'sleadershipandteambuilding(a)tostrengthentheleague'sleadershipatalllevelsofconstruction.ContinuetodoagoodjobofmunicipalPartyCommitteeOrganizationDepartment"onthestrengtheningoftheCommunistYouthLeaguecadresmanageme

5、ntopinionsimplementation.Topromotethegroupcounties(autonomouscounties,cities)Commissionandcitydirectlyunderthegroup(workers)appointedtocarryoutthe"Five"teambuildingactivities.ImprovetheLeagueAssociationDepartmentworkingmechanism.ConscientiouslyfulfillthedutiesofCO,combinedwitht

6、hecitygroupdirectlyunder(the)Committeeofthegeneralelectionandtheadjustment,activelyjointlywiththeunitwherethepartyorganizationdepartmentgoodgroupleadershipselectionwiththework.DoagoodjobinmunicipalPartycommitteeassistantcommitteeleadershipandleadingcadresoftheannualassessmentwo

7、rk,adheretoandimprovetheassistantsecretaryoftheCommunistYouthLeaguetalksystemgroupToweaveindividualconversationandcollectiveconversation,tostrengthenthecommitteesofalllevels,theStandingCommitteeoftheStandingCommittee,theestablishmentofasoundsystemofcentralgrouplearning,thesyste

8、mofinvestigationandstudy,thesystemofimportantissuesand