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Problems from Another Time

Individual problems from throughout mathematics history, as well as articles that include problem sets for students.

Project to help discrete mathematics and computer science students learn basic properties of division and the Euclidean algorithm and its proof from Euclid himself
A project to help students learn from Archimedes' writings how he summed squares
A project to introduce students to logic and especially implication by consulting original sources from ancient to modern times
A collection of modules for teaching and learning by 'reading the masters'
Three congruent circles of radius 6 inches are mutually tangent to one another. Compute the area enclosed between them.
Show that the curves x2 - y2 = a2 and 2 xy = b2 cross at right angles.
Find two number with sum 20 and when squared their sum is 208.
In a rectangle, given the diagonal and perimeter, find the sides
The radius of a circle is 3.20 meters. Compute to within .001m the areas of the inscribed and circumscribed equilateral triangles.
In order to encourage his son in the study of arithmetic, a father agrees to pay him 8 pennies for every problem solved correctly and to charge him 5 pennies for each incorrect solution.