Cuisenaire Squares

These squares have been made from Cuisenaire rods. Can you describe the pattern? What would the next square look like?
Exploring and noticing Working systematically Conjecturing and generalising Visualising and representing Reasoning, convincing and proving
Being curious Being resourceful Being resilient Being collaborative
Have a look at this picture:

Image
Cuisenaire Squares
 

What do you notice?

What do you wonder?

How would you describe what you see?

These patterns have been made using Cuisenaire rods.  

Try recreating the picture using rods or using this interactivity:



What will the next square look like?

And the next one?

How would you describe the pattern in full?

Can you describe the pattern in a general way?