Here is a sequence of patterns made from matches.
Pattern 1: 4 matches forming 1 square. Pattern 2: 7 matches forming 2 squares in a row. Pattern 3: 10 matches forming 3 squares in a row.
In the space below, draw pattern number 4.
Work out the total number of matches to make pattern number 20.
208 exam-style questions on Eduqas GCSE Maths Sequences (Nth Term). Each one has a worked solution and a mark scheme showing where the marks go.