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Mr M's Edexcel GCSE Linear Mathematics Higher 1MA0 Paper 2 Answers November 2015 watch

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    Mr M's Edexcel GCSE Linear Mathematics Higher 1MA0 Paper 2 Answers November 2015


    1. Stem and leaf diagram

    2 | 3 5 8 9
    3 | 2 5 7 8 9
    4 | 1 2 4
    5 | 1
    6 | 1 3

    Key: 2 | 3 = 23 cm (3 marks)


    2. Scatter graph

    a) Plot point (1 mark)

    b) Positive (1 mark)

    c) 19 approx. (2 marks)

    d) 45 (1 mark)


    3. Ages

    32, 64, 29 (4 marks)


    4. Fuel

    49 (3 marks)


    5. Singing

    2 (4 marks)


    6. Area of a rectangle

    40000 (2 marks)


    7. Fence

    No with supporting calculation (he needs 51.2 m) (5 marks)


    8. Toothpaste

    125 ml (4 marks)


    9. Perpendicular bisector

    Correct construction (2 marks)


    10. Travel graph

    a) 54 (2 marks)

    b) Complete graph (he gets back after 75 mins) (3 marks)


    11. Algebra

    a) x=\pm 7 (they'll probably give full marks to x = 7) (2 marks)

    b) \frac{1}{8} (1 mark)

    c) 27x^6 (2 marks)

    d) p=\frac{w+16}{4} (2 marks)


    12. Transformation

    Rotation 180 degrees about the point (2, 1) (3 marks)


    13. Inequalities

    a) 5, 6 (2 marks)

    b) Graph region (4 marks)


    14. Hospital

    a) 76 (3 marks)

    b) 11.76% (2 marks)


    15. Circle and triangles

    a) The angle in a semicircle = 90 degrees (1 mark)

    b) 2.75 (4 marks)


    16. Standard form

    a) 6.4 \times 10^8 (1 mark)

    b) 5 \times 10^2 (2 marks)


    17. Parallel lines

    y = 3x - 5 (3 marks)


    18. Box plots

    a) 37 (1 mark)

    b) 36 (2 marks)

    c) The second distribution has a larger median and a larger interquartile range (2 marks)


    19. Upper and lower bounds

    a) 4.25 (1 mark)

    b) 7.21 (3 marks)


    20. Watch faces

    36 : 37 (4 marks)


    21. Stratified sample

    9 (2 marks)


    22. Quadratic formula

    2x^2+7x+4=0 (3 marks)


    23. Graph transformations

    a) Translate graph 2 units up (2 marks)

    b) Stretch graph by scale factor 2 in the y direction and reflect it in the x axis (2 marks)

    24. Triangle

    31.1 (5 marks)


    25. Probability

    \frac{251}{435} (4 marks)

    Edit: Corrected error on question 7.
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    Mr M is there anyway I can get a hold of this paper? I wanted to attempt the paper myself *I am an a level student, I like trying the harder questions on GCSE papers*

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    (Original post by iMacJack)
    Mr M is there anyway I can get a hold of this paper? I wanted to attempt the paper myself *I am an a level student, I like trying the harder questions on GCSE papers*

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    Ask a teacher in your school? They are allowed to use them with candidates in their centre. My advice would be to focus on your A level - surely GCSE is a pretty trivial challenge for you now?
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    Did you use pythagoras in question 7 to calculate the length of the top?
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    (Original post by ad4m)
    Did you use pythagoras in question 7 to calculate the length of the top?
    Yes
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    Thank you Mr M 😀
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    For the triangle question what do you use? And is 11% fine?
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    For number 7, I got that he needs 51m? Will I still get marks?

    Also can I ask what the cost was for number 8 thanks
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    Hi mr M, can you post the foundation markschemes aswell please? Thankyou
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    [QUOTE=Mr M;60456537]Mr M's Edexcel GCSE Linear Mathematics Higher 1MA0 Paper 2 Answers November 2015


    1. Stem and leaf diagram

    2 | 3 5 8 9
    3 | 2 5 7 8 9
    4 | 1 2 4
    5 | 1
    6 | 1 3

    Key: 2 | 3 = 23 cm (3 marks)


    2. Scatter graph

    a) Plot point (1 mark)

    b) Positive (1 mark)

    c) 19 approx. (2 marks)

    d) 45 (1 mark)


    3. Ages

    32, 64, 29 (4 marks)


    4. Fuel

    49 (3 marks)


    5. Singing

    2 (4 marks)


    6. Area of a rectangle

    40000 (2 marks)


    7. Fence

    No with supporting calculation (he needs 52.45 m) (5 marks)


    8. Toothpaste

    125 ml (4 marks)


    9. Perpendicular bisector

    Correct construction (2 marks)


    10. Travel graph

    a) 54 (2 marks)

    b) Complete graph (he gets back after 75 mins) (3 marks)


    11. Algebra

    a) x=\pm 7 (they'll probably give full marks to x = 7) (2 marks)

    b) \frac{1}{8} (1 mark)

    c) 27x^6 (2 marks)

    d) p=\frac{w+16}{4} (2 marks)


    12. Transformation

    Rotation 180 degrees about the point (2, 1) (3 marks)


    13. Inequalities

    a) 5, 6 (2 marks)

    b) Graph region (4 marks)


    14. Hospital

    a) 76 (3 marks)

    b) 11.76% (2 marks)


    15. Circle and triangles

    a) The angle in a semicircle = 90 degrees (1 mark)

    b) 2.75 (4 marks)


    16. Standard form

    a) 6.4 \times 10^8 (1 mark)

    b) 5 \times 10^2 (2 marks)


    17. Parallel lines

    y = 3x - 5 (3 marks)


    18. Box plots

    a) 37 (1 mark)

    b) 36 (2 marks)

    c) The second distribution has a larger median and a larger interquartile range (2 marks)


    19. Upper and lower bounds

    a) 4.25 (1 mark)

    b) 7.21 (3 marks)


    20. Watch faces

    36 : 37 (4 marks)


    21. Stratified sample

    9 (2 marks)


    22. Quadratic formula

    2x^2+7x+4=0 (3 marks)


    23. Graph transformations

    a) Translate graph 2 units up (2 marks)

    b) Stretch graph by scale factor 2 in the y direction and reflect it in the x axis (2 marks)

    24. Triangle

    31.1 (5 marks)


    25. Probability

    \frac{251}{435} (4 marks)[/QFOr
    For the cor ordinates in the transformation question. I put (1,2) intead carelessly. Does this mean I have lost a marker two.
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    For question 24 did you have to you the sine rule?
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    Grade boundaries ?
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    Also is 90 degrees clockwise wrong for the transformation Q?
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    I got 51.2m I can't exactly remember for question 7 how many marks will I get ?
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    I think I got 51.2 something like that
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    (Original post by Hassanh)
    For question 24 did you have to use the sine rule?
    No.
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    (Original post by Kmohazeb)
    Also is 90 degrees clockwise wrong for the transformation Q?
    Yes.
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    (Original post by Katyy09127)
    I think I got 51.2 something like that
    Sorry I've made a mistake here. Will fix it.
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    Would u get full marks if u say he needs 51m? And not 51.2?
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    (Original post by StressedByDay)
    For the triangle question what do you use? And is 11% fine?
    Area of a scalene triangle formula and the cosine rule. I think 11% will be fine.
 
 
 
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