edexcel maths paper mark scheme unit 3

2381_Unit_3_Higher_practice_paper_14_Set_B_mark_scheme

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  • Created on: 31-05-11 11:42
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Higher tier Terminal Practice Paper 14 Mark Scheme
Qu Working Answer Mark Notes
1a Translation 1 B1 for translation 3 to the right and 2 up
b 4 1 B1 cao
2 7 1002 70 000 2 M1 for 7 1002
A1 cao
3 360 ÷ 24 15 2 M1 for 360 ÷ 24
A1 cao
4a 15 1 B1
b 15 1 B1
c 2 B1 for straight line across 4 blocks
B1 (indep) for a line from a distance of 20 km to 0 km across 8 blocks
5 C E A B D 3 B3
(B2 for 3or 4 correct)
(B1 for 1 or 2 correct)
6 (9.7)2 = 94.09 295 ­ 296 3 M1 for (9.7)2
= 295.5924... A1 for answer of 295 to 296 inclusive
cm2 B1 (indep) for cm2
7 17.5 ÷ 100 422 = 495.85 2 M1 for 17.5 ÷ 100 422 oe or 73.85 seen
73.85 A1 cao

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M1 for 82 + 112 oe or 185 seen
M1 (dep) for
A1 for 13.…read more

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B2 for triangle in correct orientation, correct size
(6, 1) or correct triangle, incorrect scale factor)
(B1 for 1 line in correct position or any triangle, s.f.…read more

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