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1424 Words Sep 7th, 2015 6 Pages
Mark Scheme (Results)
November 2009

IGCSE

IGCSE Mathematics (4400)
Paper 3H Higher Tier

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If you have any subject
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Working
(a)
(b)
(c)

Answer

Mark

6
1,2
Black cats

1
1
1

Notes
B1
B1
B1

Cats that are black etc
Total 3 marks

7.

(a)

2 x π x30

4

0.2

8.

4.22 ((=17.6(4)) π x 2.12 (= 13.8......)
“4.22” - “π x 2.12”

2

3.79

(b)

188

2

0.1 + 0.05 + 0.05 or 1 – (0.4 + 0.3 + 0.1)

M1
A1
188(.495...) awrt 188 or 189
M1
M1
M1 dep on both previous M1 marks
A1
Accept awrt 3.78 or 3.79
Total 6 marks
M1
A1
Total 2 marks

9.

(a)

2w - 6 +3w +15
5w +9
22

2

x +5 = 3 x 9

(c)

2

y<6/5oe

(b)

2

5y < 13 – 7

M1
A1
M1
A1
M1
A1

M1 for 3 correct terms (no isw)
Answer only or embedded answer =M0A0
Must be an inequality
Total 6 marks

10.

2 x (0.5 x 8 x 15) +(17 x 20) +(15 x 20) +(8 x
20)
2 x 60 +340 + 300 + 160

920

3

M1
M1
A1

1 correct face 60, 340, 300 or 160
All correct faces added 120 Ξ 2x60
Total 3 marks

IGCSE Mathematics (4400) Paper 3H November 2009

Q

Working

Answer

P2 = ab or p/√b = √a

11.

Mark
2

P /b oe

2

Notes
M1
A1

accept P2 = a x b and p x p = a x b
Total 2 marks

12.

(a)

42 + 62 (=52)

"52"
Alt. y/sin 90 = 5/sin 70 M1 y = 5 / sin70
M1

7.21

3

5.32

(b)

3

cos 20 = 5/y y = 5/ cos 20

M1
M1 (dep)
A1
7.21(11...) awrt 7.21
M1
cos selected
M1
A1
5.32088...... awrt 5.32
Total 6 marks

13.

(a)
(b)
(c)

Algeria
10
4.348 x 106 or 4.35 x
106

1
1
2

B1
B1
B2

Accept 2.4 x 106
Ten times etc
B1 for digits 4348 or 4350000 or 4.3x 106
Total 4 marks

14.

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