美国八年级数学考试题

DIRECTIONSReadandsolveeachquestion.Thenmarkthespaceintheanswerbookletforthebestanswer.SAMPLEVickihad$228inhercheckingaccount.Sheused$37tobuyabirthdaygiftforhergrandmother.Afterthat,howmuchdidshehaveleftinhercheckingaccount?A$211B$191C$181D$1641If0.3

x

35%,whichofthefollowingcouldbethevalueofx?A14B13C12D12Whatisthevalueof37(236)2?F23G31H84J2,5033Ascaledistanceof3.5centimetersonacertainmaprepresentsanactualdistanceof175kilometers.Whatactualdistancedoes5.7centimetersonthesamemaprepresent?A0.285kmB2.85kmC28.5kmD285km4Whichofthefollowingisnotaprimenumber?F2G5H17J121SESSION:22PAGE:311/7/10110:4LOGINIS-pamPATH:@sun1/xydisk2/CLS_psycorp/GRP_virginia/JOB_537591g8/DIV_g8mathtestM7010305CLM8020305CLM8010107CM6030401CMathematics35Theshadedpartofthesquarecanbeexpressedby—A0.02B20%C14D256Miahas90rosesand135carnationstoputintovases.Shewantstoputthesamenumberofrosesandthesamenumberofcarnationsintoeachvase.Whatisthegreatestnumberofvasesthatshewillneedinordertodothis?F5G9H15J457WhichisclosesttothelocationofpointAonthenumberline?A11B7C7D118Whichisanexampleoftheassociativepropertyofmultiplication?F7
0
90G4
(7
3)4
(3
7)H
6
16
33J5
(3
8)(5
3)
89Johannarentedacar.Rentalcostswere$29.00perdayplus$0.49foreachmiledriven.Ifshekeptthecarfor1dayanddrove50miles,howmuchdidsheowe?A$29.49B$31.45C$53.50D$78.00A05Ð5SESSION:22PAGE:411/7/10110:4LOGINIS-pamPATH:@sun1/xydisk2/CLS_psycorp/GRP_virginia/JOB_537591g8/DIV_g8mathtestM6010402CArtCodesM6010402.AR1M7020301CLM6050102CArtCodesM6050102.AR1M704A202CM8040305C410Randymakes$200perweek.Hisemployerdeducts4%ofhisearningsforRandy’smedicalinsurance.HowmuchofhisweeklysalarydoesRandypayformedicalinsurance?F$80G$8H$0.80J$0.0811Betweenwhichtwoconsecutivewholenumbersdoes42lie?A5and6B6and7C7and8D8and912Whatisthevalueofx2(7x)2whenx5?F52G100H152J17213Mrs.Adamswalksbetween410and610mileeveryday.Whichisthebestestimateofthenumberofmilesshewillwalkin30days?A12B15C18D2014Chrisusedacopymachinetoenlargeadrawingto150%ofitsoriginalsize.Ifthewidthoftheoriginaldrawingwas37centimeters,whatisthewidthofthecopyofthedrawing?F37.0cmG55.5cmH92.5cmJ150.0cm15Purewaterboilsat212F.Ifacertainchemicalisaddedtothewater,theboilingpointchangesby28F.Atwhattemperaturedoesthenewliquidboil?A240FB184FC184FD240FSESSION:22PAGE:511/7/10110:4LOGINIS-pamPATH:@sun1/xydisk2/CLS_psycorp/GRP_virginia/JOB_537591g8/DIV_g8mathtestM8040208CM8060401CM8050304CLM6070301CLM7070404CM8040140C516IfGinameasuredthelengthofall4sidesofthetopofherdeskandaddedthemtogether,whatwouldshehave?FThediameterGThevolumeHTheperimeterJThearea17TheanglesinABCmeasure27,73,and80.WhatkindoftriangleisABC?AEquiangularBAcuteCObtuseDRight18Whatisthevolumeofthesquare-basedpyramidshownbelow?F96cuin.G256cuin.H384cuin.J768cuin.19Eachcubeinthisstackhasavolumeof1cubicunit,andeachfaceofthosecubeshasanareaof1squareunit.Whichcouldbethesurfaceareaofthisstackofcubes?A18squnitsB24squnitsC29squnitsD36squnits8in.12in.SESSION:22PAGE:611/7/10110:4LOGINIS-pamPATH:@sun1/xydisk2/CLS_psycorp/GRP_virginia/JOB_537591g8/DIV_g8mathtestM8100116CM8100202CM8080106CLArtCodesM8080106.AR1M7130203CArtCodesM7130203.AR1620Thedarkrectangleisreßectedoverlinev.Whichshowsthisreßection?21Whichisclosesttothevolumeoftheconeshownabove?A87.9cm3B395.6cm3C527.5cm3D1582.6cm322Whichistheclosesttothecircumferenceofacirclewitharadiusof2.4meters?F7.5mG15.1mH18.1mJ72.3m0Ð1Ð2Ð3Ð4Ð443211234Ð4Ð3Ð2Ð1vh0Ð1Ð2Ð3Ð4Ð443211234Ð4Ð3Ð2Ð1vh0Ð1Ð2Ð3Ð4Ð443211234Ð4Ð3Ð2Ð1vhÐ4vhvhFGHJ6cm14cmSESSION:22PAGE:711/7/10110:4LOGINIS-pamPATH:@sun1/xydisk2/CLS_psycorp/GRP_virginia/JOB_537591g8/DIV_g8mathtestM8090202CArtCodesM8090202.AR1ArtCodesM8090202.AR2M8090202.AR3M8090202.AR4M8090202.AR5M8080405CArtCodesM8080405.AR1M6120455C723Inthisscaledrawing,eachsquareunitrepresents1squarecentimeter.WhatistheareaoftheÞgurerepresentedbythedrawing?A15cm2B20cm2C32cm2D47cm224Thisshows3differentviewsofathree-dimensionalÞgureconstructedfromcubes.WhichcouldbethisÞgure?TopFrontSideFGHJSESSION:22PAGE:811/7/10110:4LOGINIS-pamPATH:@sun1/xydisk2/CLS_psycorp/GRP_virginia/JOB_537591g8/DIV_g8mathtestM7080401CArtCodesM7080401.AR1M7130301CLArtCodesM7130301.AR1ArtCodesM7130301.AR2M7130301.AR3M7130301.AR4M7130301.AR5825InABC,ABmeasures6centimetersandBCmeasures8centimeters.WhatisthelengthofAC?A1.41cmB2cmC5.29cmD10cm26TheseÞguresareallÑFpyramidsGprismsHcylindersJcones27WhatistheareaofthisÞgure?A19cm2B24cm2C27cm2D35cm2ABC687cm4cm3cm5cmSESSION:22PAGE:911/7/10110:4LOGINIS-pamPATH:@sun1/xydisk2/CLS_psycorp/GRP_virginia/JOB_537591g8/DIV_g8mathtestM8110405CArtCodesM8110405.AR1M8100206CArtCodesM8100206.AR1M7080203CArtCodesM7080203.AR1928Thisshowsthreedifferentviewsofathree-dimensionalÞgureconstructedfromcubes.WhichofthefollowingcouldbetheÞgure?29IfQRSandXYZarecomplementary,whichmustbetrue?AOneoftheanglescanmeasurebetween90and180.BThesumofthemeasuresoftheanglesis90.CThesumofthemeasuresoftheanglesis180.DBothanglesmustmeasuremorethan90.30Whatisthelengthofsidenonthesecondtriangle?F2G2.5H4J5TopFron