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

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

Chuquet claimed that if given positive numbers a, b, c, d then (a + b) / (c + d) lies between a/c and b/d. Is he correct? Prove your answer

Determine a number having remainders 2, 3, 2 when divided by 3, 5, 7 respectively.

If you are h feet tall and walk all the way around the Earth, keeping to the same circumference, how much farther has your head gone than your feet when you complete the journey?

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

The square root of half the number of bees in a swarm has flown out upon a jessamine bush; 8/9 of the swarm has remained behind.

Two travelers, starting at the same time from the same point, travel in opposite directions round a circular railway.

A man hired a horse in London at 3 pence a mile. He rode 94 miles due West to Bristol then due north to Chester, whence he returned toward London for 66 miles, which put him in Coventry.

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

A tree is 20 feet tall and has a circumference of 3 feet. There is a vine that winds seven equally spaced times around the tree and reaches the top. What is the length of the vine?