A certain man says that he can weigh any amount from 1 to 40 pounds using only 4 weights. What size must they be?

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

A person has a circular yard that is 150 ft. in diameter, and wishes a walk of equal width made round it within the fence...

A man plants 4 kernels of corn, which at harvest produce 32 kernels: these he plants the second year; now supposing the annual increase to continue 8 fold, what would be the produce of the 15th year, allowing 1000 kernels to a pint?

The authors recount the 'great tale' of Napier's and Burgi's parallel development of logarithms and urge you to use it in class.

If an arc of 45 degrees on one circumference is equal to an arc of 60 degrees on another circle, what is the ratio of the areas of the circle?

In Archimedes' Book of Lemmas (ca 250), he introduces a figure that, due to its shape, has historically been known as "the shoemaker's knife" or arbelos.

Knowing the base, b, and the altitude, a, of a triangle. Find the expression for a side of the inscribed square.

How a translation of Peano's counterexample to the 'theorem' that a zero Wronskian implies linear dependence can help your differential equations students

Now there are 100 deers [being distributed] in a city. If one household has one deer there is a remainder...Find the number of households in the city.

In a certain lake, swarming with red geese, the tip of a lotus bud was seen to extend a span [9 inches] above the surface of the water.