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​Q4: Answers – Paper 1 – November 2018

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Content:

• Part A ii) Factor Pairs
• Part A iii) Prime Numbers
• Part A iv) Cube Numbers
• Part B) Highest Common Factor​

Quizzes:

• Part A ii) Factor Pairs 
  
• Part A iii) Prime Numbers 
  
• Part A iv) Cube Numbers 
  
• ​Part B) Highest Common Factor

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Mark Scheme

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Working

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Question

4)
a) Write down each of the following.

​​(i) An even number.

[1 mark]​

​(ii) A factor of 25.

[1 mark]​

(iii) A prime number between 10 and 20.

[1 mark]​

​(iv) A cube number

[1 mark]​

​b) Find the highest common factor (HCF) of 35 and 91.

[2 marks]​

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