Students zone a living city — homes, factories, parks, transit — and a live engine scores density, sprawl, commute, and equity as they build. Solo or whole-class. No prep.───WHY TEACHERS LOVE THISMost Unit 6 lessons stop at "label the Burgess model." This one recalculates. Students paint land-use zones onto a city grid — homes, factories, parks, transit, a downtown core — and a live engine answers back in real time: population density, jobs–housing balance, commute, sprawl, public health, green