Here is a sequence of patterns made from shaded squares and unshaded squares.
In the space below, draw pattern number 4.
Work out the total number of squares needed to make pattern number 7.
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.
208 exam-style questions on AQA GCSE Maths Sequences (Nth Term). Each one has a worked solution and a mark scheme showing where the marks go.