AQA
A-level
MATHEMATICS
7357/3
Paper 3
Mark scheme
June 2022
Version: 1.1 Final Mark Scheme
Mark schemes are prepared by the Lead Assessment Writer and considered, together with the relevant questions, b...
Mark schemes are prepared by the Lead Assessment Writer and considered,
together with the relevant questions, by a panel of subject teachers. This mark
scheme includes any amendments made at the standardisation events which all
associates participate in and is the scheme which was used by them in this
examination. The standardisation process ensures that the mark scheme covers
the students’ responses to questions and that every associate understands and
applies it in the same correct way.
As preparation for standardisation each associate analyses a number of students’
scripts. Alternative answers not already covered by the mark scheme are discussed
and legislated for. If, after the standardisation process, associates encounter unusual
answers which have not been raised they are required to refer these to the Lead
Examiner.
It must be stressed that a mark scheme is a working document, in many cases
further developed and expanded on the basis of students’ reactions to a particular
paper. Assumptions about future mark schemes on the basis of one year’s
document should be avoided; whilst the guiding principles of assessment remain
constant, details will change, depending on the content of a particular
examination paper.
Further copies of this mark scheme are available from aqa.org.uk
2
, MARK SCHEME – A-LEVEL MATHEMATICS – 7357/3 – JUNE
2022
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3
,[Type text]
MA
Mark scheme instructions to examiners
General
The mark scheme for each question shows:
the marks available for each part of the question
the total marks available for the question
marking instructions that indicate when marks should be awarded or withheld
including the principle on which each mark is awarded. Information is included
to help the examiner make his or her judgement and to delineate what is
creditworthy from that not worthy of credit
a typical solution. This response is one we expect to see frequently. However
credit must be given on the basis of the marking instructions.
If a student uses a method which is not explicitly covered by the marking instructions
the same
principles of marking should be applied. Credit should be given to any valid methods.
Examiners should seek advice from their senior examiner if in any doubt.
Key to mark types
M mark is for method
R mark is for reasoning
A mark is dependent on M marks and is for accuracy
B mark is independent of M marks and is for method and accuracy
E mark is for explanation
F follow through from previous incorrect result
Key to mark scheme abbreviations
CAO correct answer only
CSO correct solution only
ft follow through from previous incorrect result
‘their’ Indicates that credit can be given from previous incorrect result
ISW Ignore subsequent working
AWFW anything which falls within
AWRT anything which rounds to
ACF any correct form
AG answer given
SC special case
OE or equivalent
NMS no method shown
PI possibly implied
sf significant figure(s)
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