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Fairness is a concept that students develop early on in childhood that strengthens over time. Little do they know they’ve been “constructing viable arguments and critiquing the reasoning of others” (Standard for Mathematical Practice 3) from such a young age!

We love that students have an opportunity in Reasonable Rent to bring their understanding of fairness to a real-world situation. 
A screen from lesson titled "Setting the Rent" with a text prompt saying, "This project will cost City Roots Collective `\$8000000`. What do you think is a fair price for rent?" There is a sketch component that shows a coordinate grid, where the x-axis is labeled "Price of Rent (dollars)" and goes from `0` to `2600` and the y-axis is labeled "Revenue (dollars)" and goes from `0` to `10000000`. A parabola labeled `r\left(x\right)=x\left(13000-\frac{500}{100}x\right)` is graphed.

Notice on this screen that students are asked to identify a price they believe is fair and explain their reasoning. We encourage you to lean in to these ideas and celebrate students as they use mathematics to build their case.

Are there students who chose the same price but for different reasons? Why did some students choose to maximize the revenue, and others not? How can mathematics help us think about what’s fair?

Lean in to this moment and learn what “fair” means to your students — and how that understanding of fairness might change the ways in which they interact with their community. We hope that you and your students learn to appreciate how mathematics can help us understand that there is more than one right way to be fair.
- Desmos Classroom at Amplify

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