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UNOFFICIAL MARKSCHEME Edexcel Maths Calculator paper 09/06/2016

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Original post by Purpleunicorn197
Hi I'm going to start and unofficial markscheme so add your answers
Reps are not necessary but would be appreciated :smile:

It would be really useful if you could remember the question numbers
1. Order numbers correctly and include a key
b) 9/20=
0.45
2a. 5a*2b*3c =
30abc
b. Factorise fully 3y +6 =
3(y+2)
c. Expand x(x-3)=
x^2-3x
3.
x=9.25
4. Smallest packet was best value for money because it was cheapest per bag of crisps
5. 4 times as many red than green: There were 0.4 blue and 0.15 yellow.
0.4+0.15+4x+x=1
0.55+5x=1
5x=0.45
x=0.09
4x=0.36
Green- 0.09 Red- 0.36
6a. 20.3
b. 68.04kg
c. 2.61m
7. 3.8
8a. 4:3
b. 480 pixels
9.x= 124 degrees
10. 7.92
11.£42.29
12. x=144 degrees
13.
-2 -1 0 1 2
-1 3 1 -1 3
Draw curve
14. 3 Bars
15. No, because 7766.22 was greater than 7500 pounds
16. 128g
b.11g
17. 30.1
18. 10a^5b^4
b. y= 5p^2-x
19.11 males
20. x= 0.29 or x= -2.29
21. 29.25
22. F.d- 1.6, 3.2, 2.4, 1.8, 0.3
23.28.9
24a. -1/3x+4
b. 2x/(x+1)(x-1)
25. 80.4



what was question 16 i can't remembeR?
Original post by dh12345
what was the 128g one again?


using the graph to find a median
https://youtu.be/ahe6jmuT2DM?t=1m2s
Reply 1522
Avatar for Jishhh
Jishhh
Erm what question was the perimeter of them sector?
the non calc and calc were fairly easy compared to previous maths edexel examS so the grade boundaries will be v high ,roughly:
A*-170/200
A-150-169
B-115-149
C-95-114
Original post by Wimsett
Stratified sample was 11?
Angle rules was 126
Density one was 70 something kg
Trying to remember the rest


Do you know what the question said for the angle rules one?
Original post by Arsal2016
So what will be the grade boundaries overall?
I got 52-55 on Paper 1 and around 58-65 on Paper 2



predictedd boundaries
A* : 165 - 168
A : 135 - 142
B : 95 - 105
C : 60 - 65
Controversial answers in this exam
80.4/80.1 for the last question (i got 80.4)
3.7/3.8 for the trial and improvement (i got 3.7)
Original post by UpTheTics
Do you know what the question said for the angle rules one?


As they all do, it said find x.
But I can tell you the rules if that's what you mean
Original post by UpTheTics
Do you know what the question said for the angle rules one?


https://www.youtube.com/watch?v=ahe6jmuT2DM
i thought 23 was 28.1
Original post by AnonymousGeek
Hey guys! I've finally got hold of a PDF copy of the Edexcel Maths 2016 calculator paper with solutions!

http://adf.ly/1b1apX


That is a predicted paper
I wrote that half of £15000 was £7000. Don't know why I thought that I'm not stupid was just a silly mistake, will probably get marked down for that
Original post by alibabzo
The answer is correct, but this is a thoroughly inefficient method.


TO be honest I don't really care about the fact is was inefficient, I got the right answer which is more than a lot of people got and I had the time so I couldn't really care less.
Original post by HANI148
the non calc and calc were fairly easy compared to previous maths edexel examS so the grade boundaries will be v high ,roughly:
A*-170/200
A-150-169
B-115-149
C-95-114

No way they will be that high that's ridiculous they go up 3 or 4 not 15 marks...
Original post by jtb135
using the graph to find a median
https://youtu.be/ahe6jmuT2DM?t=1m2s


thanks
whats question number was the perimeter one ?
Original post by Jishhh
Erm what question was the perimeter of them sector?


https://youtu.be/ahe6jmuT2DM?t=1m25s
Original post by esmeralda123
are you sure?
the two exams were kinda easy (but i made really silly mistakes) so i'm thinking that the grade boundaries will increase by a lot.
for an A it was 141 in June 2010 (and all the previous years)

what do you think the mark would be to scrape an A, like the minimum mark?


If I correctly remember, the 2013 paper which was arguably the easiest paper ever was like 130 something for an A so you should be fine
Mr Kibris, the guy who did the unofficial mark scheme for paper one (with all the questions, answers and number of marks) has said he's not doing one for the second paper :frown:
How many marks was the first question??

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