Have you ever heard of the Fibonacci sequence? Or the Golden Ratio? Or the Golden Spiral? These mysterious numbers and shapes are all connected to each other. If you look closely, they can be ...

The 4th cube number is 4 × 4 × 4 = 4³ = 64. The first three terms of a Fibonacci-type sequence are 𝑥, 𝑥 + 7 and 2𝑥 + 7. Work out an expression for the 4th term. The 𝑛th pattern has ...