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# Edexcel C2 20th May 2015 *Official Thread* watch

1. (Original post by imran_)
Hey guys i'd really appreciate it if someone could help me, I got around 63 for c1 and 60-62 for c2. How many marks would I need in s1 to overall an A?
Depends on the grade boundaries, of course, and how others did, but I would say aim for 72-75. That way, even if you do get some wrong, you'll still be on par for an A.
2. (Original post by lukejoshjames)
Depends on the grade boundaries, of course, and how others did, but I would say aim for 72-75. That way, even if you do get some wrong, you'll still be on par for an A.
Really? That's a bit high I was thinking hitting just over 62, taking account of last years boundary by reducing an A to be 62 in c1 and keeping the same boundary for c2 as well as s1 as it stays consistent. That would give me 80 ums for c1, around 79 for c2 which totals 159. To achieve an A I would need 81+ ums. So I was thinking hitting 62 would be enough but idk now
3. (Original post by imran_)
Really? That's a bit high I was thinking hitting just over 62, taking account of last years boundary by reducing an A to be 62 in c1 and keeping the same boundary for c2 as well as s1 as it stays consistent. That would give me 80 ums for c1, around 79 for c2 which totals 159. To achieve an A I would need 81+ ums. So I was thinking hitting 62 would be enough but idk now
Maybe, but why take the chance and aim lower? If statistics turns out to be an easy paper for many then grade boundaries will be higher, so you'd have to do better. realistically, the maximum you'd have to get in the worst possible situation is around 68, but why not aim for 70-75?
4. (Original post by imran_)
Hey guys i'd really appreciate it if someone could help me, I got around 63 for c1 and 60-62 for c2. How many marks would I need in s1 to overall an A?
Let's say according to last years ....
if you got an 63 C1 and let's go with the worst case scenario of 60 then you would need a minimum of 61 marks in S1 to get an overall A
Hope this helped
5. (Original post by TheMathsMan)
Let's say according to last years ....
if you got an 63 C1 and let's go with the worst case scenario of 60 then you would need a minimum of 61 marks in S1 to get an overall A
Hope this helped
Thank you!
6. (Original post by Anon-)
Pretty good, I'm quite confident for any pure Maths paper. Mechanics is my problem
I know how you feel, mechanics is next week
7. Okay so I know it been over a week since c2 but on my paper for one or maybe two questions I may have had a lot of working with different answers but my correct answer was the last answer I had got, I think I double ruled it but I didn't cross the incorrect working out or answers before it, would I lose all the mark?????
8. (Original post by infinity4ever)
Okay so I know it been over a week since c2 but on my paper for one or maybe two questions I may have had a lot of working with different answers but my correct answer was the last answer I had got, I think I double ruled it but I didn't cross the incorrect working out or answers before it, would I lose all the mark?????
All maths mark schemes instruct them to mark all attempts not crossed out and give you the highest mark

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9. (Original post by samb1234)
All maths mark schemes instruct them to mark all attempts not crossed out and give you the highest mark

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ohhhhh okay thanks
10. For the area of the shaded region I used the area of the triangle and that gave me a different answer Would I loose all the marks?the integration quest
11. (Original post by Sarfo)
For the area of the shaded region I used the area of the triangle and that gave me a different answer Would I loose all the marks?the integration quest
The integration question ...
there was an area above the x axis and below ... so you work them out separately doing the integration shiz and then one would come out as a negative but you can't have a negative area .... so then you turn it positive and add it to the other area you obtained.
You would not lose all marks ... but you would lose a few ...
you get marks for attempting integration ....
the way I'd put it is you get the first two method marks in subbing in your x values into the integrated equation.... then the next two marks would be doing the next two x values into the equation then the last A1 mark would be adding them to get an overall answer
Hope this helped
12. (Original post by TheMathsMan)
The integration question ...
there was an area above the x axis and below ... so you work them out separately doing the integration shiz and then one would come out as a negative but you can't have a negative area .... so then you turn it positive and add it to the other area you obtained.
You would not lose all marks ... but you would lose a few ...
you get marks for attempting integration ....
the way I'd put it is you get the first two method marks in subbing in your x values into the integrated equation.... then the next two marks would be doing the next two x values into the equation then the last A1 mark would be adding them to get an overall answer
Hope this helped
Also for your triangle ... I don't think it is needed in the question ... but for that one use of it does not take away all the marks .... if you did what I mentioned above then you would gain some method marks
13. what do u guys think the grade boundaries are for the c2 paper this year
14. (Original post by shwetasethi123)
what do u guys think the grade boundaries are for the c2 paper this year
30 for an A 65 for a C

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15. (Original post by imran_)
30 for an A 65 for a C

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16. (Original post by shwetasethi123)
what do u guys think the grade boundaries are for the c2 paper this year
I'm praying that 40 UMS is an A.
17. Can anyon give me a link for unofficial mark scheme for c2 please??
18. wow that was hard exam...even more than c1!!!
19. Here is a link to the Edexcel Maths Summer 2015 Question Papers and Mark Schemes

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