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Sequences (Nth Term)

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Question 15

Here is a sequence of patterns made from black circles and white circles.

pattern 1 pattern 2 pattern 3

a.

In the space below, draw pattern number 4.

[1]
b.

Work out the total number of circles needed to make pattern number 8.

[2]
c.

Emma says “There are 4 black circles in pattern number 3 so there will be 8 black circles in pattern number 6.” Is Emma right? You must give a reason for your answer.

[1]
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Sequences (Nth Term) Questions

  1. GCSE
  2. /Maths
  3. /Sequences (Nth Term)

Practise Edexcel GCSE Maths Sequences (Nth Term) with exam-style questions for Foundation and Higher tier. 80 questions, matched to the Edexcel GCSE Maths (1MA1) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.

Question bank