# GCSE MATHS Practice paper A Mark Scheme

this is the mark scheme for practice paper A for data handling

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- Created by: James Harrison
- Created on: 13-06-11 15:42

GCSE MATHS Practice paper A Mark SchemeWord Document 154.5 Kb

## Pages in this set

### Page 1

GCSE MATHEMATICS

PRACTICE PAPER 1H (SET A) MARKSCHEME

PAP

ER:

5M

B1H

_01

Pra

ctic

e

Pap

er A

Que Workin Answer Mark Note

stio g s

n

(a)

1 12x 1 B1 for 12x oe

(b) B2 for 10p + 12r

10p + 12r 2

(B1 for 10p or…

PRACTICE PAPER 1H (SET A) MARKSCHEME

PAP

ER:

5M

B1H

_01

Pra

ctic

e

Pap

er A

Que Workin Answer Mark Note

stio g s

n

(a)

1 12x 1 B1 for 12x oe

(b) B2 for 10p + 12r

10p + 12r 2

(B1 for 10p or…

### Page 2

GCSE MATHEMATICS

PRACTICE PAPER 1H (SET A) MARKSCHEME

M1 for n < 360 or m < 180

(b) 2

A1 for or

(a) B2 for correctly plotting 2 points tolerance ± 2 mm

4 Plotting 2 points 2

B1 for correctly plotting 1 point tolerance ± 2 mm

(b) Positive…

PRACTICE PAPER 1H (SET A) MARKSCHEME

M1 for n < 360 or m < 180

(b) 2

A1 for or

(a) B2 for correctly plotting 2 points tolerance ± 2 mm

4 Plotting 2 points 2

B1 for correctly plotting 1 point tolerance ± 2 mm

(b) Positive…

### Page 3

GCSE MATHEMATICS

PRACTICE PAPER 1H (SET A) MARKSCHEME

PA

PE

R:

5M

B1

H_

01

Qu Worki Answer Mark Notes

est ng

ion

M1 for attempt to subtract old and new readings

43 214 43 093 = 121 M1 for intent to multiply "121" by 45

6* £54.45 4…

PRACTICE PAPER 1H (SET A) MARKSCHEME

PA

PE

R:

5M

B1

H_

01

Qu Worki Answer Mark Notes

est ng

ion

M1 for attempt to subtract old and new readings

43 214 43 093 = 121 M1 for intent to multiply "121" by 45

6* £54.45 4…

### Page 4

GCSE MATHEMATICS

PRACTICE PAPER 1H (SET A) MARKSCHEME

(B1 for cf curve with points plotted consistently accept

straight line segments)

M1 for using a horizontal line from 25

(c) 42 2

A1 ft from their cf curve for result of 41 - 42

M1 for using a vertical line from…

PRACTICE PAPER 1H (SET A) MARKSCHEME

(B1 for cf curve with points plotted consistently accept

straight line segments)

M1 for using a horizontal line from 25

(c) 42 2

A1 ft from their cf curve for result of 41 - 42

M1 for using a vertical line from…

### Page 5

GCSE MATHEMATICS

PRACTICE PAPER 1H (SET A) MARKSCHEME

[B1 for one bar correct]

[B0 for bar chart with unequal bars]

NB apply the same mark-scheme if a different frequency

density is used

, M1 for one of the calculations attempted correctly

15 10 25 A1 for one of 15, 10,…

PRACTICE PAPER 1H (SET A) MARKSCHEME

[B1 for one bar correct]

[B0 for bar chart with unequal bars]

NB apply the same mark-scheme if a different frequency

density is used

, M1 for one of the calculations attempted correctly

15 10 25 A1 for one of 15, 10,…

### Page 6

GCSE MATHEMATICS

PRACTICE PAPER 1H (SET A) MARKSCHEME

PAP

ER:

5M

B1H

_01

Que Workin Answer Mark

stio g Notes

n

15 D 1 B1 cao

4

( × ) + ( × ) B1 for or or seen as 2nd probability

+ ( × ) M1 for ( ×…

PRACTICE PAPER 1H (SET A) MARKSCHEME

PAP

ER:

5M

B1H

_01

Que Workin Answer Mark

stio g Notes

n

15 D 1 B1 cao

4

( × ) + ( × ) B1 for or or seen as 2nd probability

+ ( × ) M1 for ( ×…

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