emaths.co.uk_SAT PAPERS_KS3 SAT Papers_Mathematics KS3 SAT Papers_Mathematics KS3 SAT 2009_MarkschemeP1.pdf

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1、MaMathematicstestsKEYSTAGEMarkscheme3forPaper1Tiers3–5,4–6,5–7and6–8ALLTIERS2009Nationalcurriculumassessments2009KS3Mathematicstestmarkscheme:Paper1IntroductionIntroductionThisbookletcontainsthemarkschemeforpaper1atalltiers.Thepaper2markschemeisprintedinaseparatebooklet.Questi

2、onshavebeengivennamessothateachonehasauniqueidentifierirrespectiveoftier.ThestructureofthemarkschemesThemarkinginformationforeachquestionissetoutintheformoftables,whichstartonpage10ofthisbooklet.Thecolumnsontheleft-handsideofeachtableprovideaquickreferencetothetier,questionnumb

3、er,questionpartandthetotalnumberofmarksavailableforthatquestionpart.The‘Correctresponse’columnusuallyincludestwotypesofinformation:¢astatementoftherequirementsfortheawardofeachmark,withanindicationofwhethercreditcanbegivenforcorrectworking,andwhetherthemarksareindependentorcum

4、ulative¢examplesofsomedifferenttypesofcorrectresponse,includingthemostcommon.The‘Additionalguidance’columnindicatesalternativeacceptableresponses,andprovidesdetailsofspecifictypesofresponsethatareunacceptable.Otherguidance,suchaswhen‘follow-through’isallowed,isprovidedasnecessa

5、ry.QuestionswithaUsingandapplyingmathematics(UAM)elementareidentifiedinthemarkschemebythesymbolU1.Thenumberindicatesthesignificanceofusingandapplyingmathematicsinansweringthequestion.TheUnumbercanbeanywholenumberfrom1tothenumberofmarksinthequestion.Forgraphicalanddiagrammaticres

6、ponses,includingthoseinwhichjudgementsonaccuracyarerequired,markingoverlayshavebeenprovidedasthecentrepagesofthisbooklet.The2009keystage3mathematicstestsandmarkschemesweredevelopedbytheTestDevelopmentTeamatPearsonResearchandAssessment.22009KS3Mathematicstestmarkscheme:Paper1Ge

7、neralguidanceGeneralguidanceUsingthemarkschemesAnswersthatarenumericallyequivalentoralgebraicallyequivalentareacceptableunlessthemarkschemestatesotherwise.Inordertoensureconsistencyofmarking,themostfrequentproceduralqueriesarelistedonthefollowingtwopageswiththeprescribedcorrec

8、taction.Thisisfollowedbyfurtherguidancerelatingspecificallytot