美国八年级数学考试题

SESSION:22PAGE:311/7/10110:4LOGINIS-pamPATH:@sun1/xydisk2/CLS_psycorp/GRP_virginia/JOB_537591g8/DIV_g8mathtestMathematics?2(6؁23)7؀DIRECTIONS2Whatisthevalueof3Readandsolveeachquestion.ThenmarktheF23spaceintheanswerbookletforthebestanswer.G31੭੭M8020305H84CSAMPLEJ2,503LVickihad$228inhercheckingaccount.Sheused$37tobuyabirthdaygiftforhergrandmother.Afterthat,howmuchdidshehaveleftinhercheckingaccount?3Ascaledistanceof3.5centimetersonacertainmaprepresentsanactualA$211distanceof175kilometers.WhatactualB$191੭distancedoes5.7centimetersonthe੭M8010107C$181samemaprepresent?CD$164A0.285kmB2.85kmC28.5kmD285km੭1If0.3ϽxϽ35%,whichofthefollowingcouldbethevalueofx?M701030514Whichofthefollowingisnotaprime੬Anumber?C4L1F2M6030401B੭੭3G5CH171CJ121੭2D13SESSION:22PAGE:411/7/10110:4LOGINIS-pamPATH:@sun1/xydisk2/CLS_psycorp/GRP_virginia/JOB_537591g8/DIV_g8mathtest57WhichisclosesttothelocationofpointAonthenumberline?M6010402M6050102੬A੭CC–505ArtCodesM6010402.AR1AϪ11੭ArtCodesM6050102.AR1BϪ7Theshadedpartofthesquarecanbeexpressedby—C7D11A0.02B20%੭1C8Whichisanexampleoftheassociative4propertyofmultiplication?2FϭM704A202D7⋅0⋅905੭CϪϪG4⋅(7⋅3)ϭ4⋅(3⋅7)1H6⋅⋅3ϭ36Miahas90rosesand135carnationstoͩ6ͪputintovases.ShewantstoputtheϪϪsamenumberofrosesandthesameJ5⋅(3⋅8)ϭ(5⋅3)⋅8੭M7020301੬numberofcarnationsintoeachvase.CWhatisthegreatestnumberofvasesLthatshewillneedinordertodothis?F5G99Johannarentedacar.RentalcostsH15were$29.00perdayplus$0.49foreachJ45੭miledriven.Ifshekeptthecarfor1dayanddrove50miles,howmuch੭M8040305didsheowe?CA$29.49B$31.45C$53.50੭D$78.004SESSION:22PAGE:511/7/10110:4LOGINIS-pamPATH:@sun1/xydisk2/CLS_psycorp/GRP_virginia/JOB_537591g8/DIV_g8mathtest410Randymakes$200perweek.His13Mrs.Adamswalksbetweenandemployerdeducts4%ofhisearnings106forRandy’smedicalinsurance.Howmileeveryday.WhichisthebestM8040208੬muchofhisweeklysalarydoesRandy10੭M6070301payformedicalinsurance?CestimateofthenumberofmilessheCLF$80willwalkin30days?G$8੭A12H$0.80B15੭J$0.08C18D2011Betweenwhichtwoconsecutivewholenumbersdoes͌42lie?14ChrisusedacopymachinetoenlargeaM8060401੬A5and6drawingto150%ofitsoriginalsize.If੭CB6and7thewidthoftheoriginaldrawingwasM7070404C7and837centimeters,whatisthewidthof੭thecopyofthedrawing?D8and9CF37.0cmG55.5cm੭H92.5cmJ150.0cmwhen2؀(x؁Whatisthevalueofx2(712?x؄5M8050304੬F52੭CG100؇LH15215Purewaterboilsat212F.Ifacertainchemicalisaddedtothewater,theJ17228؇F.At؁boilingpointchangesbywhattemperaturedoesthenewliquid੭M8040140boil?CA240ЊFB184ЊF੭CϪ184ЊFDϪ240ЊF5SESSION:22PAGE:611/7/10110:4LOGINIS-pamPATH:@sun1/xydisk2/CLS_psycorp/GRP_virginia/JOB_537591g8/DIV_g8mathtest16IfGinameasuredthelengthofall419Eachcubeinthisstackhasavolumesidesofthetopofherdeskandaddedof1cubicunit,andeachfaceofthosethemtogether,whatwouldshehave?cubeshasanareaof1squareunit.M8100੬116੭M7130203FThediameterCCGThevolumeHTheperimeter੭JTheareaArtCodesM7130203.AR1Whichcouldbethesurfaceareaofthisstackofcubes?,Theanglesin⌬ABCmeasure27؇,73؇17and80؇.WhatkindoftriangleisA18squnits⌬ABC?B24squnitsM8100202੬C29squnitsAEquiangularCD36squnits੭BAcute੭CObtuseDRight18Whatisthevolumeofthesquare-basedpyramidshownbelow?M8080106੬CLArtCodesM8080106.AR112in.8in.F96cuin.G256cuin.੭H384cuin.J768cuin.6SESSION:22PAGE:711/7/10110:4LOGINIS-pamPATH:@sun1/xydisk2/CLS_psycorp/GRP_virginia/JOB_537591g8/DIV_g8mathtest20v2143M8090202M8080405੬2੭1CC–4–3–2–101234h–1ArtCodesArtCodes–214cmM8090202.AR1M8080405.AR1–3–4Thedarkrectangleisreflectedover6cmlinev.Whichshowsthisreflection?v43Whichisclosesttothevolumeofthe2coneshownabove?1F––––h3ArtCodes432101234A87.9cm–1M8090202.AR2B395.6cm3M8090202.AR3–2M8090202.AR4–3M8090202.AR53C527.5cm੭–4D1582.6cm3v43222WhichistheclosesttotheG1–4–3–2–101234hcircumferenceofacirclewitharadius–1of2.4meters?–2M6120455–੭3F7.5m–4CG15.1m੭vH18.1mJ72.3mH੭–4hvJh7SESSION:22PAGE:811/7/10110:4LOGINIS-pamPATH:@sun1/xydisk2/CLS_psycorp/GRP_virginia/JOB_537591g8/DIV_g8mathtest23Inthisscaledrawing,eachsquareunit24represents1squarecentimeter.M7080401੬੭M7130301CCLArtCodesTopFrontSideArtCodesM7130301.AR1M7080401.AR1Thisshows3differentviewsofathree-dimensionalfigureconstructedfromcubes.Whichcouldbethisfigure?WhatistheareaofthefigureFrepresentedbythedrawing?ArtCodesM7130301.AR22M7130301.AR3A15cmM7130301.AR4M7130301.AR5B20cm2C32cm2D47cm2੭GH੭J8SESSION:22PAGE:911/7/10110:4LOGINIS-pamPATH:@sun1/xydisk2/CLS_psycorp/GRP_virginia/JOB_537591g8/DIV_g8mathtest25In⌬ABC,ABmeasures6centimeters274cmandBCmeasures8centimeters.M81104055cmM7080203੬A6B3cm੭CC7cmArtCodesArtCodesM7080203.AR1M8110405.AR1Whatistheareaofthisfigure?8A19cm2B24cm2C27cm2੭D35cm2CWhatisthelengthofAC?A1.41cmB2cmC5.29cm੭D10cm26M8100206੬CArtCodesM8100206.AR1Thesefiguresareall—FpyramidsGprisms੭HcylindersJcones9SESSION:22PAGE:1011/7/10110:4LOGINIS-pamPATH:@sun1/xydisk2/CLS_psycorp/GRP_virginia/JOB_537591g8/DIV_g8mathtest28Thisshowsthreedifferentviewsofa29If∠QRSand∠XYZarecomplementary,three-dimensionalfigureconstructedwhichmustbetrue?fromcubes.M7130401AOneoftheanglescanmeasurebetweenM8070303੬90Њand180Њ.੭CCBThesumofthemeasuresoftheanglesis90Њ.੭TopFrontSideCThesumofthemeasuresoftheanglesis180Њ.WhichofthefollowingcouldbetheЊfigure?DBothanglesmustmeasuremorethan90.ArtCodesM7130401.AR1F30ArtCodesM7130401.AR2°M7130401.AR337nM7130401.AR4108M7120304M7130401.AR550°੭2CL37°50°G੭ArtCodesM7120304.AR1Whatisthelengthofsidenonthesecondtriangle?F2G2.5੭HH4J5J10SESSION:22PAGE:1111/7/10110:4LOGINIS-pamPATH:@sun1/xydisk2/CLS_psycorp/GRP_virginia/JOB_537591g8/DIV_g8mathtest31AdaandJimreceivedawardsfor32ThetableshowstheMathandEnglishplacingeitherfirst,second,orthirdinscoresofArtand4ofhisfriends.theirrespectivedivisionsateachofM8140301੬the12trackmeetsattendedbythe੭M7200304Cteam.Thetableindicatestheresults.StudentMathEnglishCLArt8478Meet#123456789101112Bonnie6776ArtCodesAda1st1st2nd3rd1st1st2nd2nd1st1st3rd1stCathy9285M7200304.AR1Jim2nd2nd1st1st3rd2nd3rd1st2nd1st1st1stDon7575ArtCodesEllie7888M8140301.AR1Whichmatrixbestorganizestheinformationinthetable?WhichscattergramcorrectlyshowstherelationshipbetweenMathandEnglishscoresforthegroupoffriends?AdaJim1st67100A952nd4390853rd΄22΅80F75English70ArtCodes65M7200304.AR260M7200304.AR36065707580859095M7200304.AR4AdaJimMathM7200304.AR51st76B1002nd4395903rd΄22΅8580G75English7065AdaJim6060657075808590951st76MathC੭2nd341003rd΄22΅95908580H75੭English70AdaJim65601st666065707580859095DMath2nd533rd΄22΅10095908580J75English7065606065707580859095Math11SESSION:22PAGE:1211/7/10110:4LOGINIS-pamPATH:@sun1/xydisk2/CLS_psycorp/GRP_virginia/JOB_537591g8/DIV_g8mathtest33Maria’stestscoresforthegrading34Thegraphshowstheamountofmoneyperiodare78,50,80,83,81,and50.earnedperweekby5studentsintheirWhichmeasurewouldreportthesummerjobs.M6190401੬highestresult?੭M6180299CCAMeanBMedian੭CModeArtCodesDRangeM6180299.AR1Tynanearned$80perweekmorethanSilas.Whichcouldbeherweeklysalary?F$115G$250H$275੭J$29012SESSION:22PAGE:1311/7/10110:4LOGINIS-pamPATH:@sun1/xydisk2/CLS_psycorp/GRP_virginia/JOB_537591g8/DIV_g8mathtest35Thelistshowsthescoresmadebyeach36ThisisalistofBeth’sEnglishmemberofJaime’sdiscussiongrouponhomeworkscoresforthegradingthelasttest.period.M7200203੬੭M7200404C697962937381737893,83,64,84,76,83,78,76,60,81CLWhichbox-and-whiskersplotcorrectlyWhichstem-and-leafplotcorrectlydisplaystheinformation?displaystheinformation?StemLeafA50607080901006ArtCodesFArtCodesM7200203.AR17M7200404.AR1M7200203.AR2M7200404.AR2M7200203.AR38M7200404.AR3M7200203.AR4BM7200404.AR450607080901009StemLeafC੭506070809010064G76,8D81,3,4506070809010093StemLeaf64H76,6,881,3,3,493StemLeaf60,4੭J76,6,881,3,3,49313SESSION:22PAGE:1411/7/10110:4LOGINIS-pamPATH:@sun1/xydisk2/CLS_psycorp/GRP_virginia/JOB_537591g8/DIV_g8mathtest37Thegraphshowsthenumberofbooks39Daveisamemberofabowlingleague.checkedoutatthepubliclibraryeachThetablebelowshowshisrecordfordaylastweek.thelast10games(100frames)heM8130104੬bowled.੭M8120101CBooksCheckedOutCDave’sBowlingResultsMondayTypeofBallNumberofFramesArtCodesStrike12M8130104.AR1TuesdayArtCodesSpare26M8120101.AR1Gutterball3WednesdayOther59ThursdayBasedonhispreviousrecord,whatistheprobabilitythatDavewillbowlastrikeinthenextframe?Friday3ASaturday1003Eachrepresents10BooksB503Onwhichdaywerethere3timesasC੭manybookscheckedoutason25Tuesday?6DAWednesday25BThursdayCFriday੭DSaturday38JoanandBarryarecandidatesforclasspresident.Orville,Sally,Consuela,Harry,andRebeccaareM7180303੬candidatesforvicepresident.Sam,William,andFredericaarecandidatesCLforsecretary.Howmanydifferentcombinationsofpresident,vicepresident,andsecretaryarepossible?F11G18H30੭J4014SESSION:22PAGE:1511/7/10110:4LOGINIS-pamPATH:@sun1/xydisk2/CLS_psycorp/GRP_virginia/JOB_537591g8/DIV_g8mathtest40GambitNoveltySales41Rheatookasurveyofthestudentsin500herclasstofindoutabouttheircareer450interests.TheresultsareshownintheM8130401graph.M8130204੬400੭C350C300FavoriteCareersArtCodes12M8130401.AR125020010150ArtCodes1008M8130204.AR1ThousandsofDollars500619751980198519901995Year42ThegraphshowstheannualsalesforNumberofStudentstheGambitNoveltyCompanysince01975.WhichisthebestpredictionforComputersEngineering/salesintheyear2005?ScienceHealthEducationArts/F$375,000RelatedDramaG$400,000H$425,000CareerJ$450,000੭Themodeofthedataisassociatedwithwhichcareer?AHealthRelatedBEngineering/ScienceCEducationDComputers੭15SESSION:22PAGE:1611/7/10110:4LOGINIS-pamPATH:@sun1/xydisk2/CLS_psycorp/GRP_virginia/JOB_537591g8/DIV_g8mathtest4244M8120402੬੭M7260206CCArtCodesArtCodesM8120402.AR1CM7260206.AR1ABHowmanyofthesectionsofthespinnershownaboveshouldbecoloredPointsA,B,andCareverticesofablueinordertomaketheprobabilityparallelogram.Whataretheofthearrowlandingonblue0.375inacoordinatesofthefourthvertex?singlespin?F(0,0)F1G(0,1)G3੭H(Ϫ1,1)੭H5J(Ϫ1,Ϫ1)J745Whatisthesolutionto?4؁؄7؁3a؀11؀5aϪ11M8160210Aaϭ੭43Workingtogether,JoyandSteve4collected39poundsofaluminumcansCforrecycling.IfJoycollectedjpounds,Ϫ7LBaϭM7230401੬whichofthefollowingshowsthe4numberofpoundscollectedbySteve?CϪ੭Ajϩ39Caϭ1BjϪ39੭C39ϪjDaϭ0D39j16SESSION:22PAGE:1711/7/10110:4LOGINIS-pamPATH:@sun1/xydisk2/CLS_psycorp/GRP_virginia/JOB_537591g8/DIV_g8mathtest3?؄9,whatisthevalueofx(4؁Thetableshowssomeelementsofa48If(x46function.4F8M8150305M8160206੬n1234੭C3456G12C?2222LArtCodesH16੭M8150305.AR1Whatisthemissingruleinthistable?1J17F2n3nϩ2G੭22nϩ1H49Arockthatweighed1.2poundsonthe2moonweighed7.06poundsonEarth.AbouthowmuchwouldanastronautM8190304J3nwhoweighs174poundsonEarth੭weighonthemoon?CLA14.5lbsB24.65lbsC29.58lbs੭؄813447D1,023.53lbs؄2733M6220204੬؄932CL؄33150Roxanne’scarused4.8gallonsof؄1gasolinetodrive124miles.IfRoxanne30has180moremilestogo,whichisclosesttotheadditionalnumberofM8190401੭1؁؄gallonsofgasolinethecarwilluseto133Ccompletethetrip?1؁؄F2.5239G7.0੭؁Whatisthevalueof34?H7.3J14.11A61B241C271D੭8117SESSION:22PAGE:1811/7/10110:4LOGINIS-pamPATH:@sun1/xydisk2/CLS_psycorp/GRP_virginia/JOB_537591g8/DIV_g8mathtest51Whenanyterminthissequenceis54Whichofthefollowingisnottrue?dividedbythepreviousterm,theresultisalwaysthesame.F3xϪ8isanexpressionwithoneM6210404੬variable.੭M7240306...,24؁,12,6؁,3CG6xϩ2yϪ7isanexpressionwithCLWhatisthe7thtermofthissequence?3terms.AϪ192HIntheexpression,4xϩ6y,thecoefficientofxis4.BϪ96C96J5xϩ4ϭ39isanexpression.੭D192੭1?؄73؀Whatisthesolutiontox5552When10isaddedtotheproductof52andanumber,theresultis50.WhatisA2thenumber?੭M725A491M725A301B4੬CF5C5CG8੭D8੭H10J12?؄1713؀Whatisthesolutionto10x56Fxϭ0.353Whatvalueofxsatisfiesthefollowing?Gxϭ0.4੭੭M8160211؄100Hxϭ3.0C12؀4xM725A204Jxϭ4.0੬A13CB22੭C28D3718SESSION:23PAGE:1911/7/10113:33LOGINIS-pamPATH:@sun1/xydisk2/CLS_psycorp/GRP_virginia/JOB_537591g8/DIV_g8mathtest57Thetableshowssomeelementsofa60xyfunction.25M815030301M8170305੬n?–2–3੭C11CLL25WhichgraphshowsalinethatArtCodes39M8170305.AR1ArtCodescontainsthepointsinthetableofM8150303.AR1413orderedpairs?Whatisthemissingruleinthistable?yA2nϪ154B2nϩ132ArtCodesC3nF1M8170305.AR2–––––xD4nϪ3੭54321012345M8170305.AR3–1M8170305.AR4M8170305.AR5–2–3–4–558EricistwiceasoldashisbrotheryLucas.If4issubtractedfromEric’s5ageand4isaddedtoLucas’sage,their4M81901173ageswillbeequal.Whataretheboys’2੬੭agesnow?G1C–5–4–3–2–1012345x–1F12and6–2–G14and73–4H16and8੭–5J18and9y5432H1–––––x59Whichmeans“6lessthan5timesa54321012345numberis4morethan3timesthat–1–2number”?–3M7230202–4੬–A5nϪ6ϭ3nϩ4੭5CB5(nϪ6)ϭ3(nϩ4)yC6Ϫ5nϭ4ϩ3nD5(3nϩ4)ϭ65432J1–5–4–3–2–1012345x–1–2–3–4–519SESSION:22PAGE:2011/7/10110:4LOGINIS-pamPATH:@sun1/xydisk2/CLS_psycorp/GRP_virginia/JOB_537591g8/DIV_g8mathtestAnswerKeyTestCorrectReportingSequenceAnswerCategoryReportingCategoryDescription1B005NumberandNumberSense2G005NumberandNumberSense3D005NumberandNumberSense4J005NumberandNumberSense5B005NumberandNumberSense6J005NumberandNumberSense7A005NumberandNumberSense8J005NumberandNumberSense9C006ComputationandEstimation10G006ComputationandEstimation11B006ComputationandEstimation12F006ComputationandEstimation13B006ComputationandEstimation14G006ComputationandEstimation15B006ComputationandEstimation16H007MeasurementandGeometry17B007MeasurementandGeometry18G007MeasurementandGeometry19D007MeasurementandGeometry20H007MeasurementandGeometry21C007MeasurementandGeometry22G007MeasurementandGeometry23D007MeasurementandGeometry24H007MeasurementandGeometry25C007MeasurementandGeometry26G007MeasurementandGeometry27C007MeasurementandGeometry28G007MeasurementandGeometry29B007MeasurementandGeometry30G007MeasurementandGeometry31C008ProbabilityandStatistics32H008ProbabilityandStatistics33B008ProbabilityandStatistics34H008ProbabilityandStatistics35C008ProbabilityandStatistics36J008ProbabilityandStatistics37C008ProbabilityandStatistics38H008ProbabilityandStatistics39C008ProbabilityandStatistics40J008ProbabilityandStatistics41D008ProbabilityandStatistics42G008ProbabilityandStatisticsSESSION:22PAGE:2111/7/10110:4LOGINIS-pamPATH:@sun1/xydisk2/CLS_psycorp/GRP_virginia/JOB_537591g8/DIV_g8mathtestTestCorrectReportingSequenceAnswerCategoryReportingCategoryDescription43C009Patterns,Functions,andAlgebra44H009Patterns,Functions,andAlgebra45C009Patterns,Functions,andAlgebra46G009Patterns,Functions,andAlgebra47D009Patterns,Functions,andAlgebra48H009Patterns,Functions,andAlgebra49C009Patterns,Functions,andAlgebra50G009Patterns,Functions,andAlgebra51D009Patterns,Functions,andAlgebra52G009Patterns,Functions,andAlgebra53B009Patterns,Functions,andAlgebra54J009Patterns,Functions,andAlgebra55D009Patterns,Functions,andAlgebra56G009Patterns,Functions,andAlgebra57D009Patterns,Functions,andAlgebra58H009Patterns,Functions,andAlgebra59A009Patterns,Functions,andAlgebra60G009Patterns,Functions,andAlgebra