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Unofficial mark scheme for Edexcel Maths Paper 1- Higher 2023

I'm just making an unofficial mark scheme for us to add too cause I haven't seen anyone else make one. We can discuss the answers in the chat below but I'm gonna add the answers that I've seen on other maths forums for now :smile:

- some of the questions may be in the wrong order!

1) division with decimals - 56.4 (3 marks)
2) fractions - 4 7/8 (3 marks)
3)125 surface area of cube is 150 cm2 find the volume (4 marks)
4) frequency polygon (2 marks)
5) pressure(cylinder) question- 3 (3 marks)
6) 20% holiday question - £1200 ( 2 marks)
7)the pentagon question -140degrees (3 marks)
8)
9)scatter graph
a) as age increases weight increases-its a positive correlation (1 mark)
b) 4 months (2 marks)
10) a)venn diagram (1 mark)
b)7/10 (2 marks)
11) simultaneous equations graph x=6 y=-2 (1 mark)
12) probability of losing = 62/72 = 31/36 ( 2 marks)
13) direct proportionality- y=80 (3 marks)
14) indices question
a) 4^-2 (2 marks)
b) this was 8^(5/3) - 9^(3/2) = 5 (2 marks)
15) 2 perpendicular line question k=3 (3 marks)
16)the sphere 10 square root 2 (4 marks)
17) make x the subject x= -3y-28/5y-8 (4 marks)
18) carrots -30p
Tomatoes -54p (4 marks)
19) dessert question - 7 (2 marks)
20) functions
a) (5x-2)^2 (2 marks)
b) 55 (3 marks)
21) circle theorem - 71° (4 marks)
22) plane/ cuboid question - 30 degrees (2 marks )
23) (10root3 + 27) / 39 (4 marks)
24) inequalities -2.5<x<4/3 (5 marks)
(edited 6 months ago)

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Reply 1
Avatar for A.23
A.23
OP
11
If you guys can remember anymore answers or think that any of the ones I've added so far are wrong then I'll edit it !
How many marks were for circle theorem
And if I wrote 39 how many marks can I get
Reply 4
Avatar for Alice._tl
Alice._tl
1
For number 2 i thought it asked for it as a mixed number??
Reply 5
Avatar for Smcgfx
Smcgfx
5
What was the question for number 2?
Reply 6
Avatar for A.23
A.23
OP
11
Original post by Alice._tl
For number 2 i thought it asked for it as a mixed number??


Nooo did it ! I think my mind might of got mixed up with the definition of mixed number then 🥲
Reply 7
Avatar for Alice._tl
Alice._tl
1
Original post by Smcgfx
What was the question for number 2?


it was subtracting decimals, i thought it said to leave it as a mixed number though so i got 4 and 7/8
Original post by Smcgfx
What was the question for number 2?

7 3/8-2 1/2
Reply 9
Avatar for Smcgfx
Smcgfx
5
That's calm
Reply 10
Avatar for A.23
A.23
OP
11
What did youse get for the last question?
Reply 11
Avatar for hyekura
hyekura
5
Original post by Sara_hussain
And if I wrote 39 how many marks can I get


Circle theorem was 39 tho hes wrong.
Reply 12
Avatar for Smcgfx
Smcgfx
5
If I wrote 4 and 14/16 for mixed fractions instead of 7/8 is it still correct
Reply 13
Avatar for A.23
A.23
OP
11
Original post by hyekura
Circle theorem was 39 tho shes wrong.


My bad it's just cause I saw a lot of other people get 71 and someone shared their working too. Just wondering how you got 39?
Original post by Alice._tl
For number 2 i thought it asked for it as a mixed number??


Yes 4 and 7/8
39 is wrong
Reply 16
Avatar for hyekura
hyekura
5
Original post by A.23
My bad it's just cause I saw a lot of other people get 71 and someone shared their working too. Just wondering how you got 39?


Basically, its alternatesegment theorem to get 51 on the part of the shape thats touching the tangent, then you subtract that from 90 to get 39.
Reply 17
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A.23
OP
11
Original post by hyekura
Basically, its alternatesegment theorem to get 51 on the part of the shape thats touching the tangent, then you subtract that from 90 to get 39.


Ohhhh yeah I remember getting that too- but I changed it at the end 🥲 wait I'll share the picture of the person who got 71's working out
Reply 18
Avatar for ca.tlin
ca.tlin
1
for the carrots and tomatoes one, instead of solving it with 9c = 5t i accidentally did 5c = 9t, do you think i would get any carry through or method marks? i solved the rest of it using simultaneous equations and would have got the right answer other than that mistake
Reply 19
Avatar for A.23
A.23
OP
11
Original post by A.23
Ohhhh yeah I remember getting that too- but I changed it at the end 🥲 wait I'll share the picture of the person who got 71's working out


IMG_20230519_185001.jpg
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