iRubric: Comparing Cell Phone Plans rubric

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Comparing Cell Phone Plans Comparing Cell Phone Plans Open ended assessment to gauge student's understanding of direct variation, linear equations and the use of graphs and equations to solve a real world problem Rubric Code: SA5C7B By mmanuel7 Ready to use Public Rubric Subject: Math Type: Assignment Grade Levels: 9-12

Comparing Cell Phone Plans
	Needs Improvement 0 pts	Fair 1 pts	Good 2 pts	Excellent 3 pts
Graph for each cell phone plan	Needs Improvement No graphs	Fair Graphs exists for each plan but is not clear/Graphs are partially completed	Good Graph exists for each plan but is some labels are missing	Excellent Graph exists for each plan with all labels
Equation for each cell phone plan	Needs Improvement No equations	Fair Partial completion of equations	Good Equations are stated but some are incorrect/Effort is apparent	Excellent All equations are completed and correct
Show which plan is the best for you	Needs Improvement No answer is given	Fair Plan and number of minutes are stated but explanation is unclear or nonexistent	Good Plan and number of minutes are stated/Explanation did not use both graph and equations	Excellent Plan and number of minutes are stated/Explanation is well stated using both graphs and equations
Finished Poster	Needs Improvement No poster	Fair Incomplete. Not much effort is evident.	Good Thoughts are slightly unclear/Supporting evidence is not stated	Excellent Thoughts are communicated clearly/Supporting facts are evident