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

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.

(edited 8 years ago)

Reply 1

iMacJack

16

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*

Posted from TSR Mobile

OP

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*

Posted from TSR Mobile

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?

Reply 3

ad4m

8

Did you use pythagoras in question 7 to calculate the length of the top?

OP

Original post by ad4m

Did you use pythagoras in question 7 to calculate the length of the top?

Yes

Thank you Mr M 😀

For the triangle question what do you use? And is 11% fine?

Reply 7

starshine909

15

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

Reply 8

Rosie_xxxoo

2

Hi mr M, can you post the foundation markschemes aswell please? Thankyou

Reply 9

Muhammad25

6

Original post by Mr M

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