You have shown total mastery of the skill, meaning you have demonstrated a full understanding of the concepts involved, including any associated notation and algebra.
You have a firm grasp of the skill, meaning you have demonstrated a full or almost full understanding of the concepts involved, but possibly have glossed over key steps in your explanation or made relatively minor algebraic errors.
You have demonstrated some understanding of the skill. You possibly have some confused reasoning, didn’t arrive at a reasonable solution, or made more serious notational, computational, or algebraic mistakes.
You have demonstrated a weak or no conceptual understanding.
If you have all 4’s, your grade is an A+.
If you have all 3’s and 4’s and:
If you have all 2’s, 3’s and 4’s and:
If you have some 1’s and: