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Sarah Irvine
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Thirsty? Then visit the Lemonade Stand at At this site, you will find the famous Web edition of the popular board game Lemonade Stand. Using the game, students learn about supply and demand, as well as how to manipulate production on the basis of geography, weather forecasts, advertising, and overhead, including such fixed costs as rent and the cost of ingredients. Students select a city and use their life savings of $5 to decide how much to advertise, how much lemonade to make, and how much to charge per glass. Once they have completed the form provided for these decisions, they receive instant feedback on how successful they were. Students have twenty-five days to make as much money as they can. The site also includes a high-score page and definitions of vocabulary used.


Edited by Sarah Irvine,, and Andrea Prejean,, American University, 4400 Massachusetts Ave., NW, Washington, DC 20016. Readers are encouraged to send addresses for Web sites related to mathematics or mathematics education to the editors.

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Teaching Children Mathematics
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