School Improvement in Maryland

Sample Item
Selected Response Item for Grade 7

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

Assessment limit: Use the operations (+, -, x), numbers no more than 20 in the rule and whole numbers (0-500)

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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