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Mark Scheme (Results)
Summer 2010



GCSE


GCSE Mathematics (2381)
Calculator Paper 14H

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Edexcel is one of the leading examining and awarding bodies in the UK and throughout the world. We provide a wide range of qualifications including
academic, vocational, occupational and specific programmes for employers.

Through a network of UK and overseas offices, Edexcel's centres receive the support they need to help…

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GCSE MATHEMATICS 2381 (MODULAR)




NOTES ON MARKING PRINCIPLES

1 Types of mark
M marks: method marks
A marks: accuracy marks
B marks: unconditional accuracy marks (independent of M marks)

2 Abbreviations
cao ­ correct answer only ft ­ follow through
isw ­ ignore subsequent working SC: special case
oe ­…

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GCSE MATHEMATICS 2381 (MODULAR)




Follow through marks which involve more than one stage of calculation can only be awarded on sight of the relevant working, even if
it appears obvious that there is only one way you could get the answer given.

6 Ignoring subsequent work
It is appropriate to…

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GCSE MATHEMATICS 2381 (MODULAR)




5384H/14H
Question Working Answer Mark Notes
1 120 ×1.5 180 3
6
8 ×1.5 12 M1 for × 6 ÷ 4 or oe or ÷4×6 or ( 120 + 60 ) or 1.5 seen
420 × 1.5 630 4
or sight of any one of the…

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GCSE MATHEMATICS 2381 (MODULAR)




Question Working Answer Mark Notes
3 (a) ×12 37.7 2 M1 for ×12 (accept as 22/7 or 3.1 or better)
A1 for an answer in the range 37.6 ­ 37.8

(b) × 6× 6 113 2 M1 for × 6 × 6 (accept as 22/7 or…

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GCSE MATHEMATICS 2381 (MODULAR)




Question Working Answer Mark Notes
5 (a) 8 x = 17 + 3 2.5 2 M1 for 8x = 17 + 3 or 8x ­ 3 + 3 = 17 + 3 or for
8x/8 ­ 3/8 = 17/8 or for ('17+3')÷8
20
A1 for 2.5…

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GCSE MATHEMATICS 2381 (MODULAR)




Question Working Answer Mark Notes
2 2
8 62 + 142 = 232 15.23 3 M1 for 6 + 14 or 36+196 or 232
M1 for 36 + 196 or 232
A1 for answer in the range 15.2 - 15.3

9 (a) 2 B2 cao
1cm…

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GCSE MATHEMATICS 2381 (MODULAR)




Question Working Answer Mark Notes
11 2 B2 for correct locus within guidelines (overlay)
(B1 for a line drawn parallel to either given line
OR a line passing through the angle outside of the
guidelines OR for a line drawn within guidelines but not
passing through…

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GCSE MATHEMATICS 2381 (MODULAR)




Question Working Answer Mark Notes
15 (a) 28.5 1 B1 for 28.5 or 2850 cm or 28.499 or 28.49...

(b) 2 × (147.5 + 28.5) 352 3 B1 for upper bound of length = 147.5 or 14750 cm or
147.49 recurring oe
M1 for 2 ×…

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