If 80 dollars worth of provisions will serve 20 men for 25 days, what number of men will the same amount of provisions serve for 10 days?

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

Two persons sat down to play for a certain sum of money; and agree that the first who gets three games shall be the winner. After a few games they resolve to divide the stakes. How much should each person receive?

Discussion of 15th century French manuscript, with translation of its problems, including one with negative solutions

The history and mathematics of curve sketching, tangent lines, and optimization, are explored using interactive applets.

A certain slave fled from Milan to Naples going 1/10 of the whole journey each day. At the beginning of the third day, his master sent a slave after him and this slave went 1/7 of the whole journey each day.

There is a round fish pond of certain dimensions, and into the pond is dropped a marble column. How high will the water rise?

A vessel is anchored in 3 fathoms of water and the cable passes over a sheave in the bowspirt which is 6 ft above the water.

Wanting to know the breadth of a river, I measured a base of 500 yards in a straight line close by one side of it.

Three persons bought a sugar loaf in the form of a perfect cone 25"" high and agreed to divide it...what was the slant height of each one's share?

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?