Lessons with an Internet component, developed for GirlTECH'95, a program funded by CRPC Rice University and the RUSMP. A Functional Housing Market asks students to search the Internet for housing prices and compare them to the area of a house, thus deriving a linear equation. The Internet Pizza Server lets students order pizzas, calculating their area and determine the better buy. With Pop Clock, students look at the census site, study data and make predictions on future populations. Find the mean and median speeds for racers in the INDY 500. Study rates and speeds by using the Real-Time Traffic Report.