Cell Phone Algebra Assessment Access billing information online from given websites [Numbers 1, 2] [_____/5 points] 5: Shows steps and clicks required to repeat access 3: Records web address only 1: Adds little or no detail to access steps Identify independent and dependent variables [Numbers 5, 6] [_____/5 points] 5: Correctly identifies and distinguishes independent from independent variables 3: Identifies variables, with no clarity between independent and dependent 1: Cannot distinguish between variables Record independent and dependent variables in a table format [Numbers 7, 8, 9, 10] [_____/20 points 20: Thorough completion of tables in consistent formulaic manner 16: Partial though accurate completion of tables 12: Inconsistent data collection 8: Inconsistent variable use or identification 4: Incorrect recording of variable values Verbally describe the relationship between the dependent and independent variable in a functional relationship [Number 11d] [_____/5 points] 5: Summarizes variable relationships clearly 3: Identifies variables and hints at relationships 1: Vaguely identifies relationship Use the problem solving steps to represent the relationship between variables in an algebraic expression [Number 11a,b,c,e,f] [_____/10 points] 10: Thorough procedure outlining problem solving steps 8: Partial though accurate problem solving 6: Inconsistent explanation, i.e. no checking, etc. 4: Undocumented explanation 2: Incorrect application of problem solving steps Upon analyzing tabular data, determine the best package of those examined [Number 12] [_____/5 points] 5: Summarizes plan choice conclusion and logic 3: Identifies best plan without explanation 1: Vaguely identifies best plan TOTAL [_____/50 points]