Use the age-old Traveling Salesman Problem to introduce Hamilton circuits to your young travelers. Individuals then plan an efficient route to visit all the places they want to go.

In this tour of the world puzzle, students read a map and determine a travel itinerary based upon given criteria. They are required to visit 23 cities.  This one-page instructional activity contains one puzzle.  The answer...

A collection of interactive visualizations that were produced through analysis of economic, political, and market research data. Topics are diverse, e.g., military spending and trade, immigration, consumer spending, crime, unemployment,...