Mathematics HL - May 2003 - P2 \$

# Mathematics HL - May 2003 - P2 \$ - INTERNATIONAL...

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MARKSCHEME May 2003 MATHEMATICS Higher Level Paper 2 23 pages M03/510/H(2)M+ INTERNATIONAL BACCALAUREATE BACCALAURÉAT INTERNATIONAL BACHILLERATO INTERNACIONAL c

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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 authorisation of IBCA. – 2 – M03/510/H(2)M+
Paper 2 Markscheme Instructions to Examiners 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 . 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 G Marks awarded for correct solutions, generally obtained from a Graphic Display Calculator , irrespective of working shown R Marks awarded for clear Reasoning AG Answer Given in the question and consequently marks are not awarded 3 Follow Through (ft) Marks Errors made at any step of a solution can affect all working that follows. To limit the severity of the penalty, follow through (ft) marks should be awarded. The procedures for awarding these marks require that all examiners: (i) penalise an error when it first occurs ; (ii) accept the incorrect answer as the appropriate value or quantity to be used in all subsequent working; (iii) award M marks for a correct method, and A (ft) marks if the subsequent working contains no further errors. Follow through procedures may be applied repeatedly throughout the same problem. – 3 – M03/510/H(2)M+

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The following illustrates a use of the follow through procedure: 8 M1 × A0 8 M1 8 A1 (ft) Amount earned = \$ 600 × 1.02 = \$602 Amount = 301 × 1.02 + 301 × 1.04 = \$ 620.06 \$ 600 × 1.02 M1 = \$ 612 A1 \$ (306 × 1.02) + (306 × 1.04) M1 = \$ 630.36 A1 Marking Candidate’s Script Markscheme Note that the candidate made an arithmetical error at line 2; the candidate used a correct method at lines 3, 4; the candidate’s working at lines 3, 4 is correct. However, if a question is transformed by an error into a different, much simpler question then: (i) fewer marks should be awarded at the discretion of the Examiner; (ii) marks awarded should be followed by “ (d) ” (to indicate that these marks have been awarded at the discretion of the Examiner); (iii) a brief note should be written on the script explaining how these marks have been awarded. 4 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.
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## This note was uploaded on 05/06/2010 for the course MATH 1102 taught by Professor Chang during the Spring '10 term at Savannah State.

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Mathematics HL - May 2003 - P2 \$ - INTERNATIONAL...

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