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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 them deliver their education and
training programmes to learners.
For further information, please call our GCE line on 0844 576 0025, our GCSE team on 0844 576 0027, or visit our website at
www.edexcel.com.…read more

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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 ­ or equivalent (and appropriate) dep ­ dependent
indep - independent
3 No working
If no working is shown then correct answers normally score full marks
If no working is shown then incorrect (even though nearly…read more

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GCSE MATHEMATICS 2381 (MODULAR)
5 Follow through marks
Follow through marks which involve a single stage calculation can be awarded without working since you can check the answer
yourself, but if ambiguous do not award.
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.…read more

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GCSE MATHEMATICS 2381 (MODULAR)
5384H/13H
Question Working Answer Mark Notes
1 24 ÷ 2 36 2 3
M1 for 24 ÷ 2 or ×12 oe or 24 + 12
2
or sight of the number 12
A1 cao
2 15 × 200 30 m or 3000 cm 2 M1 for 15 × 200 or sight of 3000 or 30
A1 for 3000 cm or 30 m
3 Accurate diagram 2 B2 for fully correct diagram within overlay
(B1 for correct angle at P ± 2º…read more

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GCSE MATHEMATICS 2381 (MODULAR)
Question Working Answer Mark Notes
7 600 + 300 + 150 405 6 M1 for 600 + 300 + 150 oe or shows a method to find
6000 + 1050 the VAT eg 6000 × 0.…read more

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GCSE MATHEMATICS 2381 (MODULAR)
Question Working Answer Mark Notes
10 (a) Speed = distance ÷ time 32 2 M1 for 16 × 2 or attempts to find the speed by
16 16
distance ÷ time: or 16 ÷ ½ or or 0.53(33..…read more

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GCSE MATHEMATICS 2381 (MODULAR)
Question Working Answer Mark Notes
12 (a) 15 ÷ 10 12 2 3 2
8 × 1.5 M1 for 15 ÷ 10 or sight of 1.…read more

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GCSE MATHEMATICS 2381 (MODULAR)
Question Working Answer Mark Notes
14 (x + 9)(x - 1) = 0 x = 1 or 3 M2 for (x + 9)(x - 1)
x=-9 (M1 for (x ± 9)(x ± 1))
A1 cao
OR OR
a = 1, b = 8, c = - 9 M1 for correct substitution in formula of 1, 8, ±9
- 8 ± 8 2 - 4 × 1 × -9 - 8 ± 100
x= M1 for reduction to
2 ×1 2
-…read more

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GCSE MATHEMATICS 2381 (MODULAR)
Question Working Answer Mark Notes
16 (a) 1 2 1 1
(a + b) M1 for OP = a + b or OM = OT + TP
OP = a + b 2 2 2
or OP = OT + TP
1
OM = OP A1 for OM =
1
(a + b) oe
2
2
SC B1 for a + b ÷ 2
(b) TO + OM 1 1 2 1
- a+ b M1 for -a + " (a…read more

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