Pyramid pattern
This task is about making patterns and finding a rule.
Your teacher will show you how to make a pyramid pattern.

Y N 

a)

Firstly, make the next size pyramid up.


b)

Now make the next size pyramid up.


c) 
Altogether how many triangles did you need to make the last pyramid pattern? __________


d) 
i)
ii) 
How many triangles would you need to make the next size up from this pyramid pattern?
__________
How did you work this out? 