The solution shows that the student has a broad understanding of the problem and the major concepts necessary for its solution. The solution addresses all of the components presented in the task. Uses a strategy that leads to a solution of the problem. Uses effective mathematical reasoning. Mathematical procedures used.
All parts are correct and a correct answer is achieved.
There is a clear explanation. There is appropriate use of accurate mathematical representation. There is effective use of mathematical terminology and notation. The solution shows a deep understanding of the problem including the ability to identify the appropriate mathematical concepts and the information necessary for its solution. The solution completely addresses all mathematical components presented int he task.