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GCSE

Mathematics A
General Certificate of Secondary Education J512




Mark Scheme for the Components

June 2008




J512/MS/R/08

Oxford Cambridge and RSA Examinations

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OCR (Oxford, Cambridge and RSA Examinations) is a unitary awarding body, established by the
University of Cambridge Local Examinations Syndicate and the RSA Examinations Board in
January 1998. OCR provides a full range of GCSE, A level, GNVQ, Key Skills and other
qualifications for schools and colleges in the United…

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CONTENTS


General Certificate of Secondary Education

Mathematics A (J512)


MARK SCHEMES FOR THE COMPONENTS



Component/Content Page


J512/01 Paper 1 (Foundation Tier) 1


J512/02 Paper 2 (Foundation Tier) 5


J512/03 Paper 3 (Higher Tier) 9


J512/04 Paper 4 (Higher Tier) 13


J512/06 Internal Assessment (OCR marked tasks) 18


J512/06 Internal Assessment…

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J512/01 Mark Scheme June 2008


J512/01 Paper 1 (Foundation Tier)

1 (a) One thousand three hundred (and) 1 All in words
thirty five
(b) 180 000 1
(c) 608 1
(d) (Two) hundred(s) 1 Accept 100, 200

2 (a) (i) 7.4 seen Condone freehand throughout this question
1 Accept 7.2…

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J512/01 Mark Scheme June 2008

4 (a) 605 1
(b) 484 1
(c) 17 1
(d) 1170 with working seen 3 Or M1 for 90(0) + 270 or 104(0) + 130
(at least 1 term correct and addition
attempted) and A1 if all digits are
correct in their part sums…

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J512/01 Mark Scheme June 2008


7 (a) Third angle ticked 1
(b) 80 1
(c) 110 B3 Or M1 for 360 ­ 80 ­ 80 ­ 130 or 70
seen
And M1 dep for 180 ­ their 70

"quadrilateral" with "angles" or "360" R1 `360, 180' can be implied by…

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J512/01 Mark Scheme June 2008

14 (a) 1:4 1
(b) 50 2 250
M1 for (× 20) oe
100
Or SC1 for answer 200
(c) 300 3 M2 for 1.2(0) × 250 oe isw
Or M1 for 0.2(0) × 250 oe soi by 50
And M1(dep) for 250 + their(20%)…

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J512/02 Mark Scheme June 2008


J512/02 Paper 2 (Foundation Tier)

1 (a) (i) 6 or 20 or 26 1
(ii) 9 1
(iii) 11 and 26 1
(iv) 51 and 26 1
(b) (i) 20 1
(ii) It divides by 5 1 Condone it ends in 0 or 5
It's…

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J512/02 Mark Scheme June 2008


6 (a) (2, 3) and (-3, 4) 1+1 SC1 for C and D transposed
(b) E, F and G correctly plotted at 3 B1 for each point correctly plotted
(-5, -4), (1, -5) and (0, -3) ±2mm

7 (a) Correct net 3 B2 for correct…

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J512/02 Mark Scheme June 2008


13 (a) 60 1
(b) 180 1
(c) 60, 24 1+1 FT their (a) for 1st value
If 0,0 scored SC1 for 24 seen in part (c)

14 (a) Fully correct 2-way table 3 M2 for 2-way table with one of the four
demanded entries…

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