Practice Set 4 Paper 1 H MS

Topics: General Certificate of Secondary Education, Assessment and Qualifications Alliance Pages: 19 (870 words) Published: December 11, 2014
Version 1.0

General Certificate of Secondary Education
Practice Paper
Set 4
Mathematics (Linear) B
Paper 1 Higher Tier 4365/1H

Mark Scheme

Mark Schemes
Principal Examiners have prepared these mark schemes for practice papers. These mark schemes have not, therefore, been through the normal process of standardising that would take place for live papers.

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AQA GCSE Mathematics (Linear) – 43651H - Practice Paper 4

Glossary for Mark Schemes
GCSE examinations are marked in such a way as to award positive achievement wherever possible. Thus, for GCSE Mathematics papers, marks are awarded under various categories.

M

Method marks are awarded for a correct method which could lead to a correct answer.

A

Accuracy marks are awarded when following on from a correct
method. It is not necessary to always see the method. This can be implied.

B

Marks awarded independent of method.

Q

Marks awarded for quality of written communication. (QWC)

M Dep

A method mark dependent on a previous method mark being
awarded.

B Dep

A mark that can only be awarded if a previous independent mark has been awarded.

ft

Follow through marks. Marks awarded following a mistake in an earlier step.

SC

Special case. Marks awarded within the scheme for a common
misinterpretation which has some mathematical worth.

oe

Or equivalent. Accept answers that are equivalent.
eg, accept 0.5 as well as

1
2

3

Practice Paper 4 – 4365/1H - AQA GCSE Mathematics (Linear)

Paper 1 Higher Tier
Q

Answer

Mark

Comments
B1 For reflection in y = 1 or x = 1 drawn

1

Triangle at (1, 2), (1, 2) and (1, 3)

B2

2

6x – 2x or 5  9

M1

4x =  14

A1

3.5

A1

oe

13 and 16

B3

Allow values wrong way round

3

Part marks to a maximum of 2
B1 For 29  any square or prime
B1 For list of primes up to 20
B1 For list of squares up to 20

*4

Identifies probabilities for chocolate
bar etc for either spinner

M1

Multiplies equivalent probabilities
together

M1

1
12
1
4
*4

+

1
12

+

A1

1
12

Q1

and all the above stages seen

Fill in table with appt symbols or
words

M1

Identifies all winning combinations

M1

3 and 12 seen

A1

1

Q1

Strand (iii)

Alt

4

and all the above stages seen

5(a)

5x  15

B1

5(b)

3(y  4)

B1

5(c)

6w + 4 + 15w – 3

M1

21w + 1

A1

4

Strand (iii)

Allow one arithmetic error

Practice Paper 4 – 4365/1H - AQA GCSE Mathematics (Linear)

Q

Answer

Mark

10  11 or 5  [22 to 23]

M1

[110 to 115]

A1

100 ÷ 10 (= 10)

M1

Line on graph from their 10

M1

[22 to 23]

A1

7(a)

Correct plots

B2

7(b)

Negative

B1

7(c)

‘the less time revising and more TV
watching means lower marks’ or ‘the
data is not about revising so does not
support the headteacher’s view’

B1

7(d)

LOBF and line (or mark) from 60

M1

1.25

A1 ft

8(a)

432

B1

8(b)

888

B1

8(c)

240

B1

Circle drawn with radius 4 cm
centre A

B1

Circle drawn with radius 5 cm
centre B

B1

No as some areas on island not
covered by circles

B1

6(a)...
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