Puzzles

Consider the grid shown in the figure below.  How many different ways are there to get from point A (the bottom left corner) to point B (the top right corner) if you must move along the gridlines in combinations of only upward and rightward moves? You must show sufficient work to support your answer. View […]

Tim is a mathematician with two rather intelligent children, Matthew and Kristen.  One day, he offers them the following challenge. He tells them that he has a triangle whose side lengths are all integers. He tells only Matthew that the perimeter is 11 and tells only Kristen the area. Each is asked to independently determine […]

  The six-pointed star shown to the right has points formed from equilateral triangles with sides of length 1 inch. The star is placed on a circular region sharing the same center. Given that the area of the part of the star lying outside of the circle is the same as the area of the […]

A circular table is divided into 6 equal sections, each of which is assigned to the 6 individuals: Andy, Bill, Cody, Deb, Eve, and Faye. In the center of the table is a circular spinner containing the equally spaced numbers 1 – 6 (in order 1 2 3 6 5 4). A game is played […]