In maths today, we've been learning about the Fibonacci number sequence and how this is used to make a perfect rectangle using the golden ratio - Φ (1.618)
It is summed up very well in this fabulous TED Talk:
We looked at a variety of different pieces of art that were made using the sequence:
As well as being used in artworks and architecture, nature is full of examples of both the Fibonacci sequence numbers and the golden ratio. Watch some of these videos which show you examples of this.