Level of Proficiency	Problem Representation	Problem Solution	Answer Verification
Level of Proficiency	Descriptors	Descriptors	Descriptors
Good	The problem representation is correct. The details of the information given in the problem are complete.	The plan to the solution of the problem is evident. The execution of the solution and the answer obtained are correct.	The method of answer verification is evident and clearly explained.
Mediocre	The problem representation is correct but some important details are missing.	The plan to the solution of the problem is not evident. Some flaws in the execution of the plan are noted. Answer obtained is correct	The method of answer verification was evident but explanation given is incorrect.
Poor	The problem representation is incorrect. The details of information in the problem were not given.	There is no plan in solving the problem. The answer obtained is incorrect	There is no attempt to verify the correctness of the answer obtained.