The author presents five modules based on mathematics from medieval Islamic cultures for use in a variety of high school and college mathematics courses.

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These posters illustrate aspects of the history of mathematics in countries from Babylonia to Ireland.

A survey of the use of technology in American mathematics teaching over the past 200 years.

Two officers each have a company of men, the one has 40 less than the other.

An old Chinese general led his army to a river with a steep bank. Standing atop the bank, he held a stick 6 feet long perpendicular to himself.

There are two numbers which are to each other as 5 and 6 and the sum of their squares is 2196. What are the numbers?

The work of the great Renaissance artist/scientist Leonardo da Vinci can be taught in secondary schools through an integrated approach of several disciplines. This article explores the approach of the Ross School.

Short sketches on how mathematicians work and think.

Paul Halmos Photograph Collection, page 3: M. Auslander, R. Baer, Banchoff, C. N. Moore, I. A. Barnett, P. Erdos, and Lida Barrett

You have two sums of money, the difference of which is 2 dirhams; you divide the smaller sum by the larger and the quotient is equal to 1/2. What are the two sums of money?