Mapping Proportional Relationships: From the Hallway to the Graph
Shared by A STEM Educator★ Featured Teacher · rated 90+ in our quality review
Students will identify, represent, and analyze proportional relationships using tables, equations, and graphs, including determining the constant of proportionality in real-world contexts.
Lesson Overview
Students use a school map context to discover proportional relationships by exploring ratios, unit rates, tables, equations, and graphs — each task changing only one variable in the progression.
Materials
- Vertical whiteboards or large chart paper
- Dry-erase markers and erasers
- Pencils and paper for note-taking
Scaffolded Task Progression
Complete the table:
| Map (cm) | Real (m) |
|---|---|
| 1 | ? |
| 2 | ? |
| 3 | ? |
| 4 | ? |
Now find the real distance for these map measurements:
| Map (cm) | Real (m) |
|---|---|
| 6 | ? |
| 10 | ? |
| 0.5 | ? |
| 2.5 | ? |
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