Square Containers or
Pools and sidewalks
Pattern and functions

Activity introduction:

An eccentric person wanted to make containers or pools with sidewalks around them. Only requirements was they had to be square. Before deciding what size to build, the eccentric person asked you to draw some squares with sidewalks around them so they could see what would be needed.

pools and sidewalks image


  1. What is the pattern for increasing the size of the pools?
  1. What is the pattern for making a sidewalk around a square pool?
  1. What relationships can be found between the two?