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GCSE MATHEMATICS 2381 (MODULAR)
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
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GCSE MATHEMATICS 2381 (MODULAR)
5384H/14H
Question Working Answer Mark Notes
1 28.38461538 2 B2 for 28.3846....
(B1 for 107.01 or 3.77 or 28.38(...) or oe seen)
2 (a) 3× 2 + 5× ­ 4 ­ 14 2 M1 for 3 × 2 + 5 × ­ 4 oe or 6 and ­20 seen
A1 cao for ­14
(b) 8x + 11 ­ 11 = 39 ­ 11 3.…read more

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GCSE MATHEMATICS 2381 (MODULAR)
5384H/14H
Question Working Answer Mark Notes
6 1.72 ÷ 2 (= 0.86) Large box with reasons 3 M1 for 1.72 ÷ 2 (= 0.86)
7.65 ÷ 9 (= 0.85) M1 for 7.65 ÷ 9 (= 0.85)
A1 for large box or 9 kg with correct calculations
OR
M1 for 2 ÷ 1.72 (= 1.162...)
M1 for 9 ÷ 7.65 (= 1.176...)
A1 for large box or 9 kg with correct calculations
OR
M2 for 7.65 × 2 ÷ 9 (=1.…read more

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GCSE MATHEMATICS 2381 (MODULAR)
5384H/14H
Question Working Answer Mark Notes
9 180 ÷ 9 (=20) 80 3 M2 for 180 ÷ (2 + 3 + 4) × 4 or 40, 60, 80 seen
20 × 4 (M1 for 180 ÷ (2 + 3 + 4) or 20 seen)
A1 cao
10 3 33 3.7 4 B2 for a trial between 3.7 and 3.8 inclusive
4 72 (B1 for a trial between 3 and 4 inclusive)
3.1 35.9(91) B1 for a different trial between 3.…read more

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GCSE MATHEMATICS 2381 (MODULAR)
5384H/14H
Question Working Answer Mark Notes
13 29 - x 1.8 3 29 x
× 4 = x × 4 +5× 4 M1 for multiplying through by 4 or for - = x+5
4 4 4
29 ­ 20 = 4x + x M1 for correct rearrangement of their 4 terms to separate x and
non-x terms
A1 for 1.…read more

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GCSE MATHEMATICS 2381 (MODULAR)
5384H/14H
Question Working Answer Mark Notes
17 Upper bound 1.08 5 B1 for either 6.435 or 6.425 or 6.434999...
6.435 because the LB and B1 for either 5.5145 or 5.5135 or 5.5144999...
= 1.080340 UB agree to that M1 for `6.435' ÷ `5.5135'
5.5135 number of figures where 6.43<`6.435'6.44 and where 5.513 `5.5135'<5.514 OR
Lower bound for `6.425' ÷ `5.5145
6.425 where 6.42 `6.425'<6.43 and 5.514<`5.5145'5.515
= 1.079402 A1 for 1.0794... and 1.0803...
5.5145
A1 for 1.…read more

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GCSE MATHEMATICS 2381 (MODULAR)
Further copies of this publication are available from
Edexcel Publications, Adamsway, Mansfield, Notts, NG18 4FN
Telephone 01623 467467
Fax 01623 450481
Email [email protected]
Order Code UG 022451
November 2009
For more information on Edexcel qualifications, please visit www.edexcel.com/quals
Edexcel Limited. Registered in England and Wales no.…read more

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