School Improvement in Maryland
Sample Item Scoring Information Return

Standard 1.0 Knowledge of Algebra, Patterns, and Functions

Topic A. Patterns and Functions

Indicator 1. Identify, describe, extend, and create linear patterns and functions

Objective a. Complete a function table with a given two-operation rule

Selected Response (SR) Item

An ice skating rink charges a special rate on Wednesday nights. The special rate includes a one-time charge of $1 to rent skates plus $2 per hour to skate. The function table below shows the relationship between the number of hours a person skates and the total cost.

Number of
Hours		 Total Cost
1 3
3 7
5 11
6 ?

What is the total cost, in dollars, to skate for 6 hours?

  1. $2
  2. $6
  3. $12
  4. $13

Correct Answer
D. $13

Answer Annotation

  1. $2   (number of dollars per hour)
  2. $6   (number of hours)
  3. $12  (two dollars x 6 hours)
  4. $13  (correct answer)
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