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Mathematics HL - May 2005 - TZ2 - P2 \$

# Mathematics HL - May 2005 - TZ2 - P2 \$ - c IB DIPLOMA...

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c IB DIPLOMA PROGRAMME PROGRAMME DU DIPLÔME DU BI PROGRAMA DEL DIPLOMA DEL BI M05/5/MATHL/HP2/ENG/TZ2/XX/M+ MARKSCHEME May 2005 MATHEMATICS Higher Level Paper 2 22 pages

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- 2 - M05/5/MATHL/HP2/ENG/TZ2/XX/M+ This markscheme is confidential and for the exclusive use of examiners in this examination session. It is the property of the International Baccalaureate and must not be reproduced or distributed to any other person without the authorization of IBCA.
- 3 - M05/5/MATHL/HP2/ENG/TZ2/XX/M+ Instructions to Examiners Note: Where there are two marks ( e.g. M2, A2) for an answer do not split the marks unless otherwise instructed. 1 Method of marking (a) All marking must be done using a red pen. (b) Marks should be noted on candidates’ scripts as in the markscheme: y show the breakdown of individual marks using the abbreviations (M1) , (A2) etc ., unless a part is completely correct; y write down each part mark total, indicated on the markscheme (for example, [3 marks] ) – it is suggested that this be written at the end of each part, and underlined; y write down and circle the total for each question at the end of the question. 2 Abbreviations The markscheme may make use of the following abbreviations: (M) Marks awarded for Method (A) Marks awarded for an Answer or for Accuracy (N) Marks awarded for correct answers, if no working (or no relevant working) shown: they may not necessarily be all the marks for the question. Examiners should only award these marks for correct answers where there is no working. (R) Marks awarded for clear Reasoning (AG) Answer Given in the question and consequently marks are not awarded Note: Unless otherwise stated, it is not possible to award (M0)(A1). Follow through (ft) marks should be awarded where a correct method has been attempted but error(s) are made in subsequent working which is essentially correct. Penalize the error when it first occurs Accept the incorrect result as the appropriate quantity in all subsequent working If the question becomes much simpler then use discretion to award fewer marks Examiners should use (d) to indicate where discretion has been used. It should only be used for decisions on follow through and alternative methods. It must be accompanied by a brief note to explain the decision made 3 Using the Markscheme (a) This markscheme presents a particular way in which each question may be worked and how it should be marked. Alternative methods have not always been included. Thus, if an answer is wrong then the working must be carefully analysed in order that marks are awarded for a different method in a manner which is consistent with the markscheme. Indicate the awarding of these marks by ( d ).

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- 4 - M05/5/MATHL/HP2/ENG/TZ2/XX/M+ Where alternative methods for complete questions or parts of questions are included, they are indicated by METHOD 1 , METHOD 2 , etc . Other alternative part solutions are indicated by EITHER …. OR. It should be noted that G marks have been removed, and GDC solutions will not be indicated using the OR notation as on previous markschemes.
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