MAXIMUM MARK: 50 - Cambridge Assessment International Education

Cambridge International Examinations

Cambridge Secondary 1 Checkpoint

MATHEMATICS Paper 1 SPECIMEN MARK SCHEME

1112/01 For Examination from 2014

MAXIMUM MARK: 50

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

IB14 1112_01_SM/5RP ? UCLES 2014

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Question Part

1

Mark Answer

1 3 56 72 93 146 198

Total

1

Further Information

Question Part

2 Mark Answer

2 25

Total

2

Further Information

Award 1 mark for 20, 15, 35 or

7

5

or

12 12

Question Part (a) (b) Total

3 Mark Answer

2 8 and 29 1 t = 7p ? 6 3

Further Information Award 1 mark for each.

Question Part (a) (b)

Total

4

Mark Answer

Further Information

1 Any two sections with odd numbers and four sections with even numbers.

1 2 3

Or equivalent

2

? UCLES 2014

1112/01/SM/14

Question Part

Total

5 Mark Answer

1 14 1

3 Further Information

Question Part (a) (b)

Total

6

Mark Answer

Further Information

1 111(?)

1 Angles in a triangle = 180? or Angles on a straight line = 180?

or

The external angle of a triangle is equal to the sum of the opposite interior angles.

or The sum of an interior angle and its exterior angle = 180?

2

Question Part (a) (b) Total

7 Mark Answer

1 -7 (?C) 1 -10 (?C) 2

Further Information

? UCLES 2014

1112/01/SM/14

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Question Part

8 Mark Answer

1 0.7

Total

1

4

Further Information Or equivalent Do not accept ratios.

Question Part

Total

9

Mark Answer

2 Two calculations to enable comparison e.g. 72% of 50 = 36 and 1 of 50 = 25 2 or 38 marks is 76% (or equivalent) and 1 = 50% 2 and David scored the highest.

2

Further Information

Do not award any marks for David with no correct working.

Award 1 mark for two correct calculations to enable comparison seen, but incorrect or no decision.

Question Part

10 Mark Answer

1 0.7 ? 1000

70 ? 0.1

Total

700 ? 0.01 1

7 70 700 7000 70 000

Further Information All correct for 1 mark.

? UCLES 2014

1112/01/SM/14

Question Part

11

Mark Answer 1 input 1 6 9 15

Total

1

Question Part (a) (b) (c) Total

12 Mark Answer

1 38 1 45.6 1 4.56 3

5

output 5 15 21 33

Further Information Both correct for the mark.

Further Information

? UCLES 2014

1112/01/SM/14

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