Here is a sequence of patterns made from shaded squares and unshaded squares.
a.[1]
In the space below, draw pattern number 4.
b.[2]
Work out the total number of squares needed to make pattern number 7.
c.[1]
Sarah says “There are 8 unshaded squares in pattern number 3 so there will be 16 unshaded squares in pattern number 6.” Is Sarah right? You must give a reason for your answer.
Sequences (Nth Term) Questions
Practise OCR GCSE Maths Sequences (Nth Term) with exam-style questions for Foundation and Higher tier. 80 questions, matched to the OCR GCSE Maths (J560) specification and written in the written papers 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.