GCSE Mathematics (1MA1) – Higher Tier Paper 2H

November 2020 student-friendly mark scheme

Please note that this mark scheme is not the one used by

examiners for making scripts. It is intended more as a guide to

good practice, indicating where marks are given for correct

answers. As such, it doesn’t show follow-through marks (marks

that are awarded despite errors being made) or special cases.

It should also be noted that for many questions, there may be

alternative methods of finding correct solutions that are not

shown here – they will be covered in the formal mark scheme.

NOTES ON MARKING PRINCIPLES

Guidance on the use of codes within this mark scheme

M1 – method mark. This mark is generally given for an appropriate method in

the context of the question. This mark is given for showing your working and

may be awarded even if working is incorrect.

P1 – process mark. This mark is generally given for setting up an appropriate

process to find a solution in the context of the question.

A1 – accuracy mark. This mark is generally given for a correct answer

following correct working.

B1 – working mark. This mark is usually given when working and the answer

cannot easily be separated.

C1 – communication mark. This mark is given for explaining your answer or

giving a conclusion in context supported by your working.

Some questions require all working to be shown; in such questions, no marks

will be given for an answer with no working (even if it is a correct answer).

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November 2020 GCSE Mathematics 1MA1 – 2H student-friendly mark scheme (Version 1.0) 2

Question 1 (Total 4 marks)

Part Working an or answer examiner might

expect to see

Mark Notes

(a) 2  2  3  7 M1 This mark is given for a 2, 2 3 and 7 seen

A1 This mark is given for the correct answer

only

(b) 60, 120, 180, 240, 300, 360, 420 …

84, 168, 252, 336, 420 …

or

84 = 2  2  3  7

60 = 2 × 2 × 3 × 5

LCM = 2  2  3  5  7

M1 This mark is given for a method to find

the LCM

420 A1 This mark is given for the correct answer

only

Question 2 (Total 5 marks)

Part Working or answer an examiner might

expect to see

Mark Notes

(a) M1 This mark is given for 2 and 10 correctly

placed in the intersection

M1 This mark is given for 4, 6 and 8 placed

in A only

or

1 and 5 placed in B only

or

3, 7 and 9 placed in (A  B)

C1 This mark is given for all numbers

correctly placed in the Venn diagram

(b) n(A  B) = 2 M1 This mark is given for a method to

identify the number of elements in A  B

10

2

A1 This mark is given for the correct answer

only

4 6 8 2 10 1 5

3 7 9

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