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# OCR Computer Science Percents Watch

1. So both of our controlled assessments are worth 30% each which is 60% overall and the written exam is worth 40%

The exam is super hard and i already have 40/45 on one of my controlled assessments so if i get 40/45 on my second controlled assessment does anyone know what percentage i may need to get on the exam for a:

C
B
A
A*

Thanks
2. This is all based on last year's grade boundaries so could be slughtly different this year.

So last year, it was exactly 80/90 for an A*, so you'd need to get exactly the mark for an A* in the exam, which was 56/80 - maybe aim for 60/80 if you want an A*

If the whole GCSE is out of 300 UMS, you have 162/180 for the CAs. 90% UMS is always A*, 80% is A, 70% is B, etc. So 270/300 UMS is A*, 240=A, 210=B, 180=C.

If you have 162 UMS already, you need:
108 more UMS for A*
78 for A
48 for B
18 for C
(And nothing more for a D)

So based on last year's grade boundaries you need:
56/80 for A*
Between 35/80 and 42/80 for an A
21/80 for a B
Up to 24/80 for a C

I included all the reasons in case I've made a mistake, hopefully someone will correct me if so.

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