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1、反比例函数复习课教学设计一、 教学目标1、知识与能力目标：（1）复习反比例函数概念、图象与性质的知识点，通过相应知识点的配套练习加深学生对反比例函数本章知识的理解与掌握。（2）能够根据问题中的条件确定反比例函数的解析式,会画出它的图象并根据问题确定自变量的取值范围及增减性2、过程与方法目标：通过对相关问题的变式探究，正确运用反比例函数知识，进一步体验形成解决问题的一些基本策略，发展实践能力和创新精神。3、情感态度与价值观目标：创设教学情景，鼓励学生主动参与反比例函数复习活动，激发学习兴趣，获得问题解决后的乐趣，继续渗透数形结合等数学思想方法。二、教学重点和
2、难点重点：进一步掌握反比例函数的概念、图像、性质并正确运用。难点：反比例函数性质的灵活运用。数形结合思想的应用。三、教学方法：探究——讨论——交流——总结四、教学媒体：多媒体课件。五、教学过程：一、知识梳理：appearanceoftheweldappearancequalitytechnicalrequirementsoftheprojectmustnothaveamoltenmetalstreamdoesnotmeltthebasemetaltoweld,weldseamandheat-affectedzonesurfacemustnothavecra
3、cks,pores,defectssuchascraterandash,surfacesmoothing,weldandbasemetalshouldbeevenlysmoothtransition.Width2-3mmfromtheedgeofweldGroove.Surfacereinforcementshouldbelessthanorequalto1+0.2timestheslopeedgewidth,andshouldnotbegreaterthan4mm.Depthofundercutshouldbelessthanorequalto0.5mm
4、,totallengthoftheweldsonbothsidesundercutnotexceed10%oftheweldlength,andlongcontinuousshouldnotbegreaterthan100mm.Wrongsideshouldbelessthanorat0.2T,andshouldnotbegreaterthan2mm(wallthicknessmmt)incompleteornotallow7.57.5.1installationqualityprocessstandardsoftheelectricalenclosure
5、Cabinetsurfaceisclean,neat,nosignificantphenomenonofconvex,closetonature,closethedoor.7.5.2CabinetCabinetfacepaintsnopaint,returnedtorusted,consistentcolor.7.5.3uniformindirectgapfromtoptobottom,slotwidth<1.5mm7.5.4adjacentCabinetsurfaceroughnessis0.7.5.5thecabinetsfirmlyfixed,cra
6、ftsbeautiful.7.5.6Cabinetsurfacegauge,switchcabinetmarkclear,neat,firmpaste.7.5.7Terminalrowofneat,isreliable,theappearanceiscleanandnotdamaged.7.5.8cablesneatandclean,solidbinding,bindingprocessinappearance.7.5.9thefirstcableproductionfirm,craftsbeautiful,clearsignagedoesnotfade.
7、7.5.10fireproofpluggingtight,nocracksandpores.7.67.6.1ofthestandardelectricalwiringqualitytechnologycablea,themulti-corewirebuncharrangementshouldbeparalleltoeachother,horizontalwireharnessorwireshouldbeperpendiculartothelongitudinalmulti-corewirebunch.Thedistancebetweenthewirehar
8、nessandwireharnesssymmetry,andasc
