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# UNOFFICIAL MARKSCHEME Edexcel Maths Calculator paper 09/06/2016

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1. Guys I doubled checked question 7 (trial and improvement) and it was in fact 3.8. The reason why is because you had to use the tester value 3.75. Once you got the answer you would have found the answer was too small, so you go for the opposite which in this case was 3.8 as it was bigger. If you havent included the tester value of 3.75, you have lost a mark, and if you put the answer as 3.7 you again have lost a mark. However 3 marks are still enough for a 4 marker to be fair
2. Is the trial and improvement still 3.7? lolololol
3. ez
4. i got the same answer as well lol
5. (Original post by bulbs)
Is the trial and improvement still 3.7? lolololol
I got 3.7
6. Do you think that the grade boundaries will stay the same or go up?
7. (Original post by samm98)
Does anyone know if this ok? I drew the table for the trial and improvement in pencil and also drew the graph for Q13 in pencil too. It doesn't have to be in pen does it? I can't remember if i used pencil anywhere else but I hope it is.
Well our invigilator is moaning that you have to use pen for everything or examiner may not mark it (apart from drawing graphs w/e)

Honestly, I think you'll get the mark, unless our exams are scanned and the pencil is too light to show up (if you saw the solutions for paper 1 by mr kibria then you can see how when its scanned the grey doesn't show up (including the one in the diagrams - i.e. 'shaded region'))
8. (Original post by harry_ramsay)
For those discussing the answer to the final question. I believe the answer is 80.4 and here is the solution.

Attachment 546789
I got 81 how many marks do you think that will get me?
9. (Original post by jtb135)
Did you're teachers say this?
3.7^3 - 5(3.7) = 32.153
34 - 32.153 = 1.847
So 3.7 is 1.847 away.

3.8^3 - 5(3.8) = 35.872
35.872 - 34 = 1.872
So 3.8 is 1.872 away.

This shows 3.8 being 0.025 further away than 3.7. 3.7 is closer. This is why i put 3.7, but idk, people are getting rather rowdy at me for putting this idea forward xD
That's exactly what I got taught and why I put 3.7 because you compare how close they are to it
10. (Original post by AQAbio/business)
I got 81 how many marks do you think that will get me?
If you got EVERYTHING ELSE right (including the final calculation) and just messed up the last answer than 5.

If not then less.
11. Does anyone remember how many marks each question was worth and if so, can you update the mark scheme with the marks for each question
12. do you have the label the axis in a histogram as frequency density or do you not have to do that?
13. (Original post by HateOCR)
Thats exactly what i done and my teacher agreed, she done the paper with us after the exam its 3.7
The difference is soooo little but it was 3.7 trust me
do you remember the exact equation for the question??
14. (Original post by ScrewTheExams)
If you got EVERYTHING ELSE right (including the final calculation) and just messed up the last answer than 5.

If not then less.
okay thank you
15. (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

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
Does anyone have access to the paper, or know how much exactly each question was based markwise
16. (Original post by katherine10)
Do you think that the grade boundaries will stay the same or go up?
lol definately they will go up. 170 is safe to think you have A* and 140 for A. It may not actually be that high, but will be like 135-140 for A and 165-168 for A* in my opinion.
17. (Original post by HateOCR)
Thats exactly what i done and my teacher agreed, she done the paper with us after the exam its 3.7
The difference is soooo little but it was 3.7 trust me
No it wasn't the exact answer was 3.75045.
go on a calculator now and work it out.
it was 3.8
18. (Original post by ScrewTheExams)
Well our invigilator is moaning that you have to use pen for everything or examiner may not mark it (apart from drawing graphs w/e)

Honestly, I think you'll get the mark, unless our exams are scanned and the pencil is too light to show up (if you saw the solutions for paper 1 by mr kibria then you can see how when its scanned the grey doesn't show up (including the one in the diagrams - i.e. 'shaded region')
Oh :\. Guess I'm just gonna have to pray it either shows up, or they aren't scanned then haha. Thanks anyway.

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