What's happening?

Shapes are added to other shapes. Can you see what is happening? What is the rule?

Exploring and noticing Working systematically Conjecturing and generalising Visualising and representing Reasoning, convincing and proving
Being curious Being resourceful Being resilient Being collaborative

Problem

Image
What's happening?

   

 

We started with this pentagon.

Added a triangle:

Image
What's happening?

Then another one:

Image
What's happening?

What would come next, and why?

 

Can you invent something like these for your friends to solve?



pdf is available here