One of the most distinctive architectural elements to come out of the Mid-Century Modern period of architecture is the uneven-pitched roof. Typically these designs were split-level plans. Here are some plans from my collection:
The Berkeley/Belmont design below is an expanded version of Minto's earlier Viking Plan, shown above.
Some designs built by Campeau:
Designs by Assaly:
Even in the 1970s and early 1980s, some builders continued to use an uneven pitched roof for their more contemporary split-level designs:
The other type of design that was built with an uneven pitched roof is for a bungalow to have the roof line extend beyond the house and over a carport: