Comparison/Contrast

Two approaches to studying or cleaning or parenting
Two attitudes toward money or music or pizza
Walking or biking versus driving a car
Life then versus life now (like Twain) (attitudes toward a person or game or event)
A character in a novel versus the same character in the movie version
Two different bosses or grandparents or siblings or friends
Your expectations of an event versus reality
Two essays in the textbook which consider the same topic