This provides an activity that emphasizes both the vertical structure of a solution and the left-right structure. Using this, the students' comfort with appropriate indentation can be addressed. The indentation emphasizes the logical position of the a step. It is the same thing, logically, as the indentations used in tables of content and indexes. It organizes the thinking.
Some student finds it difficult to think in an organized manner.
Other problem solving methods are available that better suit the needs of such students. Various games can be designed using the solution strips. A particularly simple one is to mix the strips of several problems together and pass out equal number of strips to each student. The students then play their strips whenever possible. This first one to run out of strips wins.