Cambridge International Examinations Cambridge Secondary 1 Checkpoint

Cambridge International Examinations Cambridge Secondary 1 Checkpoint

MATHEMATICS Paper 2 MARK SCHEME Maximum Mark: 50

1112/02 October 2015

IMPORTANT NOTICE

Mark Schemes have been issued on the basis of one copy per Assistant examiner and two copies per Team Leader.

IB15 10_1112_02/4RP ? UCLES 2015

This document consists of 11 printed pages and 1 blank page.

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2

Question number Part

Total

1

Mark Answer

Further Information

1 Saturday ticked or stated in explanation and a correct reason, e.g.

Mode on Monday is 1 and mode on Saturday is 2

2 is greater than 1

1

Question number Part (a) (b)

Total

2 Mark Answer

1 Add 6 1 83 2

Further Information

Question number Part

3

Mark Answer

1

depth of water

time

depth of water

time

Total

1

depth of water

time

depth of water

time

Further Information

? UCLES 2015

1112/02/O/N/15

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Question number Part

Total

4 Mark Answer

1 6.85(000...) (cm) 1

Question number Part

5 Mark Answer

2

0

Total

H

2

F

E

Question number

6

Part (a) (b) Total

Mark Answer 1 5y + 8 or 8 + 5y 1 12w + 30 or 30 + 12w 2

Question number Part (a) (b)

7 Mark Answer

1 2:3 1 ($)8

Total

2

Further Information

Further Information Award 1 mark if any 2 1 of F, G and H are positioned correctly.

G

Further Information

Further Information Allow follow through from an incorrect answer to part (a).

? UCLES 2015

1112/02/O/N/15

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4

Question number Part

Total

8 Mark Answer

1 52 (%) 1

Question number

9

Part

Mark Answer

2

2 of 410 38% of 420

5

and

(

2 5

of 410 =) 164

and

Total

(38% of 420 =) 159.60 2

Question number Part

10 Mark Answer

2 27.0 (cm)

Total

2

Further Information

Further Information Award 1 mark for 159.60 or 164 seen

Further Information Award 1 mark for sight of ? 8.6 or 2 ? ? 4.3

? UCLES 2015

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Question number 11

Part

Mark Answer

(a)

1

0l ................
................

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