• How many different figures can be described as (4, 0)?

• What do you notice about (4,0) figures?

• Choose another particular value for (p,i) and explore different shapes.

• Have you tried drawing shapes with the same area?

• What do you notice about those figures whose areas are the same?

• What ways are there of increasing the area by 1 unit?

• Draw more figures; tabulate the information about their perimeter points (p), interior points (i) and their areas (A).