Score Explanation 4 A score of four indicates that the student has demonstrated calculations correctly and has explained the process on how to rank the shoes thoroughly. The student has completed the task correctly, using a logically sound explanation and providing clear explanation on how they arrived at the process. 3 A score of three indicates that the student has demonstrated correct calculations with some minor flaws and has explained the process on how to rank the shoes thoroughly. The student has completed the task correctly, using a logically sound explanation and providing clear explanation on how they arrived at the process. A score of two indicates that the student has demonstrated only partially correct calculations. Although the student may have arrived at an acceptable explanation, the student’s explanation of the process lacks an essential understanding of how they derived at this process of ranking the shoes. 2 1 A score of one indicates that the student has demonstrated a very limited understanding of the task that was required. The student’s calculations are incomplete and exhibit many flaws. Although the student’s explanation is somewhat understood, the student has explained the process inadequately or provided reasoning that is faulty or incomplete. 0 A score of zero indicates that the student has not provided correct calculations or an explanation that does not demonstrate an understanding of what the task requires. The student’s explanation may be uninterpretable or lack sufficient information to determine the student’s understanding of the task.