Public Release Item
Selected Response Item for Grade 8
Standard 1.0 Skills and Processes
Topic A. Constructing Knowledge
Indicator 1. Design, analyze, or carry out simple investigations and formulate appropriate conclusions based on data obtained or provided.
Objective h. Use mathematics to interpret and communicate data.
Use the information below to answer the following.
A group of students investigated physics concepts at an ice-skating rink. The students skated at different speeds and pushed boxes across the ice. The boxes were exactly the same except for their mass.
The perimeter of the skating rink is 75 meters. A student skates the perimeter of the rink 4 times in 5 minutes.
What is the average speed of the student in meters per second?
- 1 meter per second
- 15 meters per second
- 300 meters per second
- 375 meters per second
|A. 1 meter per second|