4
3
2
1
Equations show mastery of understanding and organization. Graph is incomplete or absent.
Equations show good understanding and organization.
Equations show developing understanding and organization.
Equations are limited or nonexistent.
Graph is logical and has sufficient detail. The visual solution is clearly evident.
Graph is reasonable. All parts are shown, and the solution is evident.
Graph is limited, and the visual solution is incomplete.
Graph is incomplete or absent.
Comments are highly effective, and the message enhances the solution.
Comments are relevant, and the message supports the solution.
Comments need additional work, but the message relates to the solution.
Comments are incomplete, and the message does not support the solution.
Scoring Guide Key