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Cambridge
E
Pearson Edexcel
AQA
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OCR
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Competitive
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OCR · A Level · H645
Further Mathematics B (MEI)
Exam Guide
H645
CONQUER
Papers
Assessment combination
Mechanics major + Statistics minor
Mechanics major + Modelling with algorithms
Mechanics major + Numerical methods
Mechanics major + Extra pure
Mechanics major + Further pure with technology
Statistics major + Mechanics minor
Statistics major + Modelling with algorithms
Statistics major + Numerical methods
Statistics major + Extra pure
Statistics major + Further pure with technology
Mechanics minor + Statistics minor + Modelling with algorithms
Mechanics minor + Statistics minor + Numerical methods
Mechanics minor + Statistics minor + Extra pure
Mechanics minor + Statistics minor + Further pure with technology
Mechanics minor + Modelling with algorithms + Numerical methods
Mechanics minor + Modelling with algorithms + Extra pure
Mechanics minor + Modelling with algorithms + Further pure with technology
Mechanics minor + Numerical methods + Extra pure
Mechanics minor + Numerical methods + Further pure with technology
Mechanics minor + Extra pure + Further pure with technology
Statistics minor + Modelling with algorithms + Numerical methods
Statistics minor + Modelling with algorithms + Extra pure
Statistics minor + Modelling with algorithms + Further pure with technology
Statistics minor + Numerical methods + Extra pure
Statistics minor + Numerical methods + Further pure with technology
Statistics minor + Extra pure + Further pure with technology
Modelling with algorithms + Numerical methods + Extra pure
Modelling with algorithms + Numerical methods + Further pure with technology
Modelling with algorithms + Extra pure + Further pure with technology
Numerical methods + Extra pure + Further pure with technology
Y420
Pure core
Time
2h 40m
Marks
144
Weight
50%
Y421
Mechanics major
Time
2h 15m
Marks
120
Weight
33⅓%
Y432
Statistics minor
Time
1h 15m
Marks
60
Weight
16⅔%
Specification · Version 2.1 (March 2026) ocr.org.uk/
Grade boundaries
Qualification / entry
H645 · A Level · Route A: Option Y420 + Y421 + Y432
H645 · A Level · Route A: Option Y420 + Y421 + Y433
H645 · A Level · Route A: Option Y420 + Y421 + Y434
H645 · A Level · Route A: Option Y420 + Y421 + Y435
H645 · A Level · Route A: Option Y420 + Y421 + Y436
H645 · A Level · Route B: Option Y420 + Y422 + Y431
H645 · A Level · Route B: Option Y420 + Y422 + Y433
H645 · A Level · Route B: Option Y420 + Y422 + Y434
H645 · A Level · Route B: Option Y420 + Y422 + Y435
H645 · A Level · Route B: Option Y420 + Y422 + Y436
H645 · A Level · Route C: Option Y420 + Y431 + Y432 + Y433
H645 · A Level · Route C: Option Y420 + Y431 + Y432 + Y434
H645 · A Level · Route C: Option Y420 + Y431 + Y432 + Y435
H645 · A Level · Route C: Option Y420 + Y431 + Y432 + Y436
H645 · A Level · Route C: Option Y420 + Y431 + Y433 + Y434
H645 · A Level · Route C: Option Y420 + Y431 + Y433 + Y435
H645 · A Level · Route C: Option Y420 + Y431 + Y433 + Y436
H645 · A Level · Route C: Option Y420 + Y431 + Y434 + Y435
H645 · A Level · Route C: Option Y420 + Y431 + Y434 + Y436
H645 · A Level · Route C: Option Y420 + Y431 + Y435 + Y436
H645 · A Level · Route C: Option Y420 + Y432 + Y433 + Y434
H645 · A Level · Route C: Option Y420 + Y432 + Y433 + Y435
H645 · A Level · Route C: Option Y420 + Y432 + Y433 + Y436
H645 · A Level · Route C: Option Y420 + Y432 + Y434 + Y435
H645 · A Level · Route C: Option Y420 + Y432 + Y434 + Y436
H645 · A Level · Route C: Option Y420 + Y432 + Y435 + Y436
H645 · A Level · Route C: Option Y420 + Y433 + Y434 + Y435
H645 · A Level · Route C: Option Y420 + Y433 + Y434 + Y436
H645 · A Level · Route C: Option Y420 + Y433 + Y435 + Y436
H645 · A Level · Route C: Option Y420 + Y434 + Y435 + Y436
H645
Weighted marks
June
Max
A*
A
B
C
D
E
Official source
2026
360
267
226
193
160
127
94
2025
360
291
257
215
173
131
89
2024
360
285
250
207
164
122
80
June
2026
2025
2024
Max
360
360
360
A*
267
291
285
A
226
257
250
B
193
215
207
C
160
173
164
D
127
131
122
E
94
89
80
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Further Mathematics B (MEI)
A Level · H645
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