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Metropolis: Ratios, Rates and Percents
Created by Argraide
Updated October 27th, 2026
At a glance
- Staff pick
- Picked by the Argraide team
- Play mode
- 📱 Solo
- Format
- 🧊 3D
- Length
- ⏱ About 20 minutes
- Subject
- Math
- Grade
- 6
- Curriculum
- Ontario
- Curriculum codes
- B2.12B2.3
About this activity
Plan a living 3D town on the land you choose. Build parks to a ratio rule, power every home with your land's turbine and solar rates, zone a percent of green lots, forecast savings by running the days, and cut traffic with a bus line.
What students learn
- Build to a ratio rule and keep it true as a quantity grows (equivalent ratios, B2.12)
- Use unit rates (power per day) to meet a total need without waste (B2.12)
- Find a percent of a whole with mental math: 10%, 15%, 20%, 25% and 50% (B2.3)
- Forecast the day a daily rate reaches a savings goal, including a starting amount (B2.12)
- Work out a percent decrease and increase, and the percent change between two amounts (B2.12, B2.3)
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