In a right triangle, let the perpendicular be 5 and the sum of the base and hypotenuse 25. Find the lengths of the base and hypotenuse

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

A cliff with a tower on its edge is observed from a boat at sea; find the height of the cliff and the tower.

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

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.

What it took to get an 8th grade education in 1895

A lion, a wolf and a fox each take a certain amount of time to eat a goat separately. How long would it take all these animals together to eat the goat?

Determine by using algebra the number of degrees in the angle A where: cos A = tan A

On an expedition to seize his enemy's elephants, a king marched 2 yojanas the first day.

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?