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# Edexcel M1 16 May 2012 Post Exam thread - Paper and Solutions in the FIRST POST Tweet

Maths exam discussion - share revision tips in preparation for GCSE, A Level and other maths exams and discuss how they went afterwards.

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1. Re: Edexcel M1 16 May 2012 Post Exam thread - Paper and Solutions in the FIRST POST
what is the answer of the last part of vector .is it -2.125j therefore equal to 2.125km????
2. Re: Edexcel M1 16 May 2012 Post Exam thread - Paper and Solutions in the FIRST POST
(Original post by tz23456)
what is the answer of the last part of vector .is it -2.125j therefore equal to 2.125km????
thats what I got
3. Re: Edexcel M1 16 May 2012 Post Exam thread - Paper and Solutions in the FIRST POST
I made mistake in the last question, the part about thrust I didn't really remember that it's in the opposite direction to the tension. I used that for one particle only, for the other I wrote thrust in the same direction as the tension acting on it.
Does anybody know how many marks I'll lose on it? I used the right method though to find the distance the paricle P moved after force 4N was removed.
4. Re: Edexcel M1 16 May 2012 Post Exam thread - Paper and Solutions in the FIRST POST
(Original post by Arsey)
x
I know this question is not realted to M1 exam. But how to get an A* at A level Maths? I heard you need 180 UMS on average in C3 and C4 but then someone else told me you need to get 90 and above in each C3 and C4. But then why do M2 have A* grade bouandries?
Last edited by DeadBullyMafiosi; 17-05-2012 at 23:14.
5. Re: Edexcel M1 16 May 2012 Post Exam thread - Paper and Solutions in the FIRST POST
(Original post by razmazterz)
I know this question is not realted to M1 exam. But how to get an A* at A level Maths. I heards you need 180 UMS on average in C3 and C4 but then someone else told me you need to get 90 and above in each C3 and C4. But then why do M2 have A* grade bouandries?
I think thats for Further Maths because you only need 90ums average between C3 and C4. But Further Maths is 90 ums average between all 3 modules
6. Re: Edexcel M1 16 May 2012 Post Exam thread - Paper and Solutions in the FIRST POST
(Original post by JordanS94)
I think thats for Further Maths because you only need 90ums average between C3 and C4. But Further Maths is 90 ums average between all 3 modules
Ahhh it makes more sense now . Thanks
7. Re: Edexcel M1 16 May 2012 Post Exam thread - Paper and Solutions in the FIRST POST
1. (Original post by JordanS94)
I think thats for Further Maths because you only need 90ums average between C3 and C4. But Further Maths is 90 ums average between all 3 modules
Well 90 average on your 3 best A2 units.
8. Re: Edexcel M1 16 May 2012 Post Exam thread - Paper and Solutions in the FIRST POST
Maths is 90 UMS average across C3,4 (which is obviously the same as having more than 180 UMS total in the two - if you can't do that you don' stand a chance! :P) plus 80UMS average for the rest.

Further maths is 90 UMS average across three best A2 units (any of FP2-3, M2-5, S2-4, D2) instead of specifying which it should be. Additional is the same.
9. Re: Edexcel M1 16 May 2012 Post Exam thread - Paper and Solutions in the FIRST POST
My raw mark would be 71-73 according to Arsey's suggested answers. I was lucky enough to have solved a 7 marks mistake in the last 5 mintues.
Hope the UMS would be higher than the raw marks in the end.

Btw, thank you Arsey for spending the time to work out and upload the answers, it should have helped so many people.
10. Re: Edexcel M1 16 May 2012 Post Exam thread - Paper and Solutions in the FIRST POST
Can you please explain that if i score 75 out of 100 raw marks in M1 how much will i get if i convert it into UMS?I still have got to know how the system works??
11. Re: Edexcel M1 16 May 2012 Post Exam thread - Paper and Solutions in the FIRST POST
(Original post by rfuzzy)
Can you please explain that if i score 75 out of 100 raw marks in M1 how much will i get if i convert it into UMS?I still have got to know how the system works??
UMS, Uniform Mark Scale, is a normalised scale so that grades can be standardised and fair year to year.

So no-one knows the UMS boundaries yet, until all the papers have been marked and they look at the spread of results. If lots of people have done very well (which seems to be the case) they will be quite close together, and quite high.

Arsey has provided estimates in the OP on this thread.
12. Re: Edexcel M1 16 May 2012 Post Exam thread - Paper and Solutions in the FIRST POST
(Original post by larryay)
My raw mark would be 71-73 according to Arsey's suggested answers. I was lucky enough to have solved a 7 marks mistake in the last 5 mintues.
Hope the UMS would be higher than the raw marks in the end.

Btw, thank you Arsey for spending the time to work out and upload the answers, it should have helped so many people.
I did the whole of question 7 wrong and corrected everything in the last 5 minutes I was panicking so much
13. Re: Edexcel M1 16 May 2012 Post Exam thread - Paper and Solutions in the FIRST POST
I aint even gonna look at the solutions. I think people who sit the exam and then look at the solutions the next day are just stressing themselves out. I know if I look at the solutions I'll just start worrying about my grade.

I tried every question on the paper so hopefully most of them were right, but if most weren't. Well......I'd rather worry about that when I get my results.
14. Re: Edexcel M1 16 May 2012 Post Exam thread - Paper and Solutions in the FIRST POST
(Original post by Serpentine111)
72/75... got the thrust as -0.125 at first and thought "That cant be right" so I played around with the numbers and got 2.125N
Do you guys think I'll get 1 mark for using F=ma and showing working for 9e? I ended up making it 1-T=0.3*-3.75
I did exactly the same, tried to do it for the particle in front first, got -0.125, scribbled the sh*t out of my paper then did it for the particle behind and got the same as you!
15. Re: Edexcel M1 16 May 2012 Post Exam thread - Paper and Solutions in the FIRST POST
Hey Thanks for M1 solution!=) Till when will you be posting solution for S1.Please tell me Thanks)
16. Re: Edexcel M1 16 May 2012 Post Exam thread - Paper and Solutions in the FIRST POST
(Original post by JordanS94)
I did the whole of question 7 wrong and corrected everything in the last 5 minutes I was panicking so much
My seven marks were also from Q7!!! HAHA. Lucky us
17. Re: Edexcel M1 16 May 2012 Post Exam thread - Paper and Solutions in the FIRST POST
(Original post by rfuzzy)
Hey Thanks for M1 solution!=) Till when will you be posting solution for S1.Please tell me Thanks)
quote me the link if anypone does post the solutions please! xx
18. Re: Edexcel M1 16 May 2012 Post Exam thread - Paper and Solutions in the FIRST POST
Please post S1 solution whenever you can conveniently Also can anyone tell me if i score 55 out of 75 how much UMS can i possibly get?
19. Re: Edexcel M1 16 May 2012 Post Exam thread - Paper and Solutions in the FIRST POST
(Original post by jv.lalloo)
quote me the link if anypone does post the solutions please! xx
Ok i sure will
20. Re: Edexcel M1 16 May 2012 Post Exam thread - Paper and Solutions in the FIRST POST
Can someone please tell me if I will I loose marks for significant figures ???

For my value of the coeffient of the plane I got 0.0137 (which is in this mark scheme) and clearly crossed it out and wrote 0.014, since i thought that was more appropriate ??

Also for the last questin on vectors the distance on the mark scheme is 17/8 km ... but I divided that and wrote the exact number i got.... 1.125km

for Q2... i wrote the magnitude of Q is 1.47 instead of 1.5 as indicated here
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