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Problem solving ability is very important and must be owned by every student, especially in learning mathematics. The effort of each student in the process of the mathematical problem solving abilities is different. The aim of this study is to describe the mathematical problem solving abilities of the 8^th grade students based on Bransford and Stein theory. The result shows that the students with high mathematics ability: were able to identify the problem information provided; were able to define the problem information sought the questions; were able to explore solution make a complete but incomplete plan; were less able to state the steps taken to solve problem using concepts learned; were look back and evaluate effect not checking or correcting back the resolution was made.