Edexcel GCSE Mathematics A Higher Paper 2016 Unofficial Markscheme

Announcements Posted on
How helpful is our apprenticeship zone? Have your say with our short survey 02-12-2016
    Offline

    1
    ReputationRep:
    So much more confident after reading this


    Posted from TSR Mobile
    Offline

    2
    ReputationRep:
    (Original post by Butler911)
    Am I right in saying that questions 8,9 and 12 are missing from this mark scheme?
    Yep.
    Offline

    0
    ReputationRep:
    Generally what are the guesses for the grade boundries? 2015- you needed 125 from both papers for an A in 2014- it was 133 for an A! Was this paper harder than 2015?
    Offline

    3
    ReputationRep:
    lol.
    Offline

    2
    ReputationRep:
    (Original post by Zainab_5148)
    If the grade boundaries are REALLY high what would 77/100 be?


    Posted from TSR Mobile
    a High 'A', i reckon 82/100 for an A*, defo will be higher than last year.
    Offline

    3
    ReputationRep:
    (Original post by Zainab_5148)
    If the grade boundaries are REALLY high what would 77/100 be?


    Posted from TSR Mobile
    77 is too much considering you only needed 125 for both papers for an A in total. Id say 73 is an A
    Offline

    0
    ReputationRep:
    (Original post by iMacJack)
    If anyone is struggling with a question, tell me the details of the question and I'll provide an answer for you to stop ye debating (hopefully)


    Posted from TSR Mobile
    Question 11 plz plz can u slove it
    Offline

    1
    ReputationRep:
    Does anyone know if it's possible to do the varnishing floor question with a different method to this mark scheme because I'm pretty sure I got it right but remember doing it differently


    Posted from TSR Mobile
    Offline

    0
    ReputationRep:
    was it 4/100 of the probability question , no rain and game cancelled
    Offline

    2
    ReputationRep:
    (Original post by tomdoughty99)
    Question 6 is wrong it was how many females play bowling
    No it was how many female went to the Art Gallery, I was reading over that question several times and I remember it saying that
    Offline

    2
    ReputationRep:
    (Original post by erodedsoul)
    I got 72 for circle there on I think


    Posted from TSR Mobile
    I got 72 as well...
    Offline

    2
    ReputationRep:
    (Original post by MotivateInspi)
    Generally what are the guesses for the grade boundries? 2015- you needed 125 from both papers for an A in 2014- it was 133 for an A! Was this paper harder than 2015?
    Way easier.
    Offline

    2
    ReputationRep:
    can anyone show me how they got 36%? might trigger what i got. and the fraction questions please
    Offline

    0
    ReputationRep:
    Can u put all the amount of marks there worth on it pls??
    Offline

    3
    ReputationRep:
    (Original post by XxKingSniprxX)
    can someone post a link to the actual paper so I can see it from that perspective ...
    if its even possible.
    how is that possible... i don't think anyone has access to them once they collect it.... unless someone stole one
    Offline

    1
    ReputationRep:
    Question 24 was out of 4
    Offline

    1
    ReputationRep:
    (Original post by ewales)
    That was a tricky one, everyone at school seems to have different answers:
    Mine being (2 - root 6)/12.
    I got the same apart from it being (3-root6) instead of 2 on top
    Offline

    0
    ReputationRep:
    What would 38/100 get my mate got that and wants to have an idea of what to expect
    Online

    3
    ReputationRep:
    Does anyone know how many marks the percentage question was?
    Offline

    2
    ReputationRep:
    (Original post by LogicalFallacy)
    Hey, if anybody is willing to contribute the answers, and preferably the questions, then I shall set up a mark scheme for you all. Thanks in advance!

    Can people please attach question numbers to their answers? Method would be appreciated.

    This will be updated as I go along.
    Spoiler:
    Show
    Question 1. What is the volume of the prism? (2 marks)

    Area of face = 30cm²
    Length of prism = 25cm.

    30cm² x 25cm = 750cm³




    Question 2a. Reflect shape in line X = -1 (2 marks)

    Accept correct reflection.

    Question 2b. Rotate shape 90° anticlockwise. (2 marks)

    Accept correct rotation.




    Question 3. What is wrong with the questionnaire? Give two reasons. (2 marks)
    Attachment 538813
    'Too vague (i.e. not 1-2, 3-4 etc.)' and 'no time frame (i.e. not per week, per month, etc.)' are accepted.

    Create a better survey for him to use. (2 marks)

    Why is his maths class not a good sample? (1 mark)

    'Too small' and 'may be biased' are accepted,




    Question 4. Simplify. (all of question 4, 6 marks)
    P2 x P5 = P7

    G6 ÷ G4 = G2

    (K3)2 = K6

    10-5m

    Factorise n2 - 7nn(n-7)




    Question 5. Estimate 892 ÷ 18.9 (2 marks)
    Round to 1 significant figure

    900 ÷ 20 = 45




    Question 6. A teacher is picked at random. 3/5 chance they are female. 36 are males. (3 marks)
    How many teachers are there altogether?

    2/5 of teachers are male. 36 are male.

    2/5 of total = 36
    2 x 18 = 36
    18 x 2 = 90.
    Answer is 90 teachers.




    Question 7(?). Point is the midpoint. Where is the other end?
    Answer is (-3, -2)




    Question 10(?). Can the floor be varnished with 3 tins of 2.5 litre varnish and it is 5 m2 per litre. (5 marks)
    Attachment 538829

    2.5 m x 6 m = 15 m2
    2.5 m x 6 m = 15cm2


    10 m - (2.5 m - 2.5 m) = 5 m
    6 m - 2 m = 4 m

    5 m x 4 m = 20 m2

    15 m2 + 15 m2 + 20 m2 = 50 m2

    5 m2 per litre, 50 m2 ÷ 5 m2 = 10 litres

    2.5 litres per tin, 3 tins, 3 x 2.5 = 7.5 litres.

    Not enough, 7.5 litres is less than 10 litres.

    Answer is 'not enough' with evidence.






    Question 11(?). What percent of his total spending is his rent now?
    Answer is 36%.


    Question 13(?). How many females visited the art gallery?
    66 students went on the trip.

    Males - Bowling - 4
    Females - Bowling - 6
    Total - Bowling - 10

    Males - Art Gallery - 9
    Females - Art Gallery - 11
    Total - Art Gallery - 20

    Males - Skating - 10
    Females - Skating - 26
    Total - Skating - 36

    Males - Total - 23
    Females - Total - 43
    People - Total - 66


    Answer is 11 females.

    Question 14(?).
    Attachment 538769
    Area of square = 10cm x 10cm = 100 cm²
    Area of circle = π5² = 25π cm²
    Area of shaded = Area of square - Area of circle = 100 cm² - 25π cm² = 100 - 25π cm²


    Question 15(?).

    Compare median, interquartile range and range.


    200 x 25% = 50
    200 - 50 = 150

    Last part, answer was 150.




    Question 16(?). (3.5 x 106) ÷ (5 x 10-3)

    7x108




    Question 17(?).

    x = -0.4 or x = 4.4
    x = -1.1 or x = 5.1
    x = -1.7 or x = 4.7




    Question 18(?).
    7/5

    2 4/5

    4/5




    Question 19(?).
    x < 7




    Question 20(?). Solve X² = 4(X-3)²
    X² = 4[(X - 3)(X - 3)]
    X² = 4[X² - 3X - 3X+ 9]
    X² = 4[X² - 6X + 9]

    X² = 4X² - 24X + 360 = 4X² - X² - 24X + 360 = 3X² - 24X + 360 = 3[X² - 8x + 12]0 = 3[(X - 6)(X - 2)]

    X = 6 or X = +-2




    Question 21(?). What is the chance of the match being cancelled when it does not rain?
    Attachment 538811
    0.8 x 0.05

    Answer is 0.04.


    Question 22(?). What is the angle?

    Angles in a triangle add up to 180°, base angles in an isosceles are equal.
    180° - 48° - 48° = 84°

    Angle at centre is twice angle at circumference.
    84° ÷ 2 = 42°

    Angles in a triangle add up to 180°, base angles in an isosceles are equal.
    (180° - 42°) ÷ 2 = 69°

    Answer is 69°.




    Question 23(?).
    a + b

    -a + 3b

    ¾(a+b)

    Point S is on both lines and is the point at which the lines intersect.




    Question 24(?).
    Table - 100, 25, 4


    Question 25.
    Attachment 538759

    (3-√6) ÷ 12
    Okay, I now realise that I got so much more wrong than I thought bye bye Maths A level..
 
 
 
Write a reply… Reply
Submit reply

Register

Thanks for posting! You just need to create an account in order to submit the post
  1. this can't be left blank
    that username has been taken, please choose another Forgotten your password?
  2. this can't be left blank
    this email is already registered. Forgotten your password?
  3. this can't be left blank

    6 characters or longer with both numbers and letters is safer

  4. this can't be left empty
    your full birthday is required
  1. Oops, you need to agree to our Ts&Cs to register
  2. Slide to join now Processing…

Updated: November 15, 2016
TSR Support Team

We have a brilliant team of more than 60 Support Team members looking after discussions on The Student Room, helping to make it a fun, safe and useful place to hang out.

Today on TSR
Poll
Would you rather have...?
Study resources

The Student Room, Get Revising and Marked by Teachers are trading names of The Student Room Group Ltd.

Register Number: 04666380 (England and Wales), VAT No. 806 8067 22 Registered Office: International House, Queens Road, Brighton, BN1 3XE

Quick reply
Reputation gems: You get these gems as you gain rep from other members for making good contributions and giving helpful advice.