Qualification
Accredited
Oxford Cambridge and RSA
GCSE (9-1)
Specification
GATEWAY
SCIENCE
CHEMISTRY A
H418
J248
For first assessment 2022
For first assessment in 2018
,Version 3.4 (June 2023) ocr.org.uk/gcsegatewaychemistry
,5f. Mathematical skills requirement
In order to be able to develop their skills, knowledge Foundation Tier in a GCSE qualification in Mathematics.
and understanding in GCSE (9–1) in Chemistry A
(Gateway Science), learners need to have been taught, The assessment of quantitative skills would include at least
and to have acquired competence in, the appropriate 20% mathematical skills at the appropriate tier for
areas of mathematics relevant to chemistry.
the subject as indicated in the table of coverage below.
These skills will be applied in the context of the relevant
The questions and tasks used to target mathematical chemistry.
skills will be at a level of demand that is appropriate to
GCSE (9–1) in Chemistry A (Gateway Science). All mathematical content will be assessed within the lifetime
of the specification.
In the Foundation Tier question papers, the questions
that assess mathematical skills will not be of a lower This list of examples is not exhaustive and is not limited to
demand than that which is expected of learners GCSE examples. These skills could be developed in other
at Key Stage 3, as outlined in the Department of areas of specification content as indicated in the
Education’s document “Mathematics programme of opportunities to cover column.
5
study: key stage 3”.
The mathematical skills required for the GCSE (9–1) in
In the Higher Tier question papers, the questions that Biology (B), Chemistry (C), Physics (P) and Combined
assess mathematical skills will not be lower than that of Science (CS) are shown in the table on the following page.
question and tasks in assessment for the
Version 3.4 © OCR 2023
78 GCSE (9–1) in Chemistry A (Gateway Science)
, Mathematical skills Subject
M1 Arithmetic and numerical computation
a Recognise and use expressions in decimal form B C P CS
1
b Recognise and use expressions in standard form B C P CS
c Use ratios, fractions and percentages B C P CS
d Make estimates of the results of simple calculations B C P CS
2
M2 Handling data
a Use an appropriate number of significant figures B C P CS 3
b Find arithmetic means B C P CS
c Construct and interpret frequency tables and diagrams, bar charts and B C P CS
histograms 4
d Understand the principles of sampling as applied to scientific data B
e Understand simple probability B
f Understand the terms mean, mode and median B P CS 5
g Use a scatter diagram to identify a correlation between two variables B P CS
h Make order of magnitude calculations B C P CS
M3 Algebra
a Understand and use the symbols: =, <, <<, >>, >, Ä, ~ B C P CS
b Change the subject of an equation C P CS
c Substitute numerical values into algebraic equations using appropriate C P CS
units for physical quantities
d Solve simple algebraic equations B P CS
M4 Graphs
a Translate information between graphical and numeric form B C P CS
b Understand that y=mx+c represents a linear relationship B C P CS
c Plot two variables from experimental or other data B C P CS
d Determine the slope and intercept of a linear graph B C P CS
e Draw and use the slope of a tangent to a curve as a measure of rate of C P CS
change
f Understand the physical significance of area between a curve and the x- P CS
axis and measure it by counting squares as appropriate
M5 Geometry and trigonometry
a Use angular measures in degrees P CS
b Visualise and represent 2D and 3D forms including two dimensional C P CS
representations of 3D objects
Accredited
Oxford Cambridge and RSA
GCSE (9-1)
Specification
GATEWAY
SCIENCE
CHEMISTRY A
H418
J248
For first assessment 2022
For first assessment in 2018
,Version 3.4 (June 2023) ocr.org.uk/gcsegatewaychemistry
,5f. Mathematical skills requirement
In order to be able to develop their skills, knowledge Foundation Tier in a GCSE qualification in Mathematics.
and understanding in GCSE (9–1) in Chemistry A
(Gateway Science), learners need to have been taught, The assessment of quantitative skills would include at least
and to have acquired competence in, the appropriate 20% mathematical skills at the appropriate tier for
areas of mathematics relevant to chemistry.
the subject as indicated in the table of coverage below.
These skills will be applied in the context of the relevant
The questions and tasks used to target mathematical chemistry.
skills will be at a level of demand that is appropriate to
GCSE (9–1) in Chemistry A (Gateway Science). All mathematical content will be assessed within the lifetime
of the specification.
In the Foundation Tier question papers, the questions
that assess mathematical skills will not be of a lower This list of examples is not exhaustive and is not limited to
demand than that which is expected of learners GCSE examples. These skills could be developed in other
at Key Stage 3, as outlined in the Department of areas of specification content as indicated in the
Education’s document “Mathematics programme of opportunities to cover column.
5
study: key stage 3”.
The mathematical skills required for the GCSE (9–1) in
In the Higher Tier question papers, the questions that Biology (B), Chemistry (C), Physics (P) and Combined
assess mathematical skills will not be lower than that of Science (CS) are shown in the table on the following page.
question and tasks in assessment for the
Version 3.4 © OCR 2023
78 GCSE (9–1) in Chemistry A (Gateway Science)
, Mathematical skills Subject
M1 Arithmetic and numerical computation
a Recognise and use expressions in decimal form B C P CS
1
b Recognise and use expressions in standard form B C P CS
c Use ratios, fractions and percentages B C P CS
d Make estimates of the results of simple calculations B C P CS
2
M2 Handling data
a Use an appropriate number of significant figures B C P CS 3
b Find arithmetic means B C P CS
c Construct and interpret frequency tables and diagrams, bar charts and B C P CS
histograms 4
d Understand the principles of sampling as applied to scientific data B
e Understand simple probability B
f Understand the terms mean, mode and median B P CS 5
g Use a scatter diagram to identify a correlation between two variables B P CS
h Make order of magnitude calculations B C P CS
M3 Algebra
a Understand and use the symbols: =, <, <<, >>, >, Ä, ~ B C P CS
b Change the subject of an equation C P CS
c Substitute numerical values into algebraic equations using appropriate C P CS
units for physical quantities
d Solve simple algebraic equations B P CS
M4 Graphs
a Translate information between graphical and numeric form B C P CS
b Understand that y=mx+c represents a linear relationship B C P CS
c Plot two variables from experimental or other data B C P CS
d Determine the slope and intercept of a linear graph B C P CS
e Draw and use the slope of a tangent to a curve as a measure of rate of C P CS
change
f Understand the physical significance of area between a curve and the x- P CS
axis and measure it by counting squares as appropriate
M5 Geometry and trigonometry
a Use angular measures in degrees P CS
b Visualise and represent 2D and 3D forms including two dimensional C P CS
representations of 3D objects
