Proportion Lab
Proportional Relationships Lab: Graphing y = kx
A ramp-and-car simulation. Students roll a car from five heights, measure and average, find k, graph y = kx, then predict and test.
- Grades
- Grade 7
- Math
- Proportional relationships, graphs and y = kx
- Format
- Solo or small groups
- Time
- One class period
- Runs on
- Any browser — Chromebooks and projectors
How the lab plays
- Students collect their own data from repeated trials.
- They find the constant of proportionality and graph the relationship.
- Each mission earns XP and Gold, and every student's data is saved for you.
Skills covered
- Finding the constant of proportionality
- Graphing y = kx
- Making and testing predictions from data
Built-in questions follow the NC Standard Course of Study. You can upload your own question banks for any state's standards.
How to run it
Introduce it
Use the slide deck from the lab's resource shelf to set up the investigation.
Work the missions
Students sign in with their login cards and work through the missions, measuring and recording as they go.
Review the data
Every student's data is saved. View it in the Teacher Portal or download it as a CSV.
Discuss and check
Bring the class together around the results, then finish with the exit ticket.
Try Proportion Lab with your class
Proportion Lab is one of 19 games and labs in Numeria. A free trial unlocks all of them, plus the Teacher Portal, login cards, one class leaderboard, and the slides, guides and activities that come with every lab.
Up to 6 class periods, 40 students each. Each request is approved by hand, usually within a day.
Questions? justinowens@justinowensauthor.com
