It is acknowledged that there are a variety of ways to analyze problem posing tasks
and each may give a different understanding of the process. However, there is a need
for a framework that can be used on responses from a wide range of tasks and from
different age groups so that inter-task study and development of problem posing
behavior can be investigated. The model proposed in the present study synthesizes
most of the ideas articulated in previous studies, including a classification scheme of
cognitive processes. The focus of the proposed model is on students’ ability to pose
their own two-step addition and subtraction problems, but the model can be applied
to many other areas of mathematics.