Problems from Mathematics for Human Flourishing
Find the single straight cut that divides a rectangular brownie with a missing piece into two equal areas.
100 lightbulbs, 100 passes. Which lights remain on at the end?
A classic strategy game from Ghana. Be the first to align three pieces in a row on the 9-point board.
A "Naked Sudoku" where clues are given only by divisibility relationships between neighbors.
Create two rectangles such that the first has twice the perimeter of the second, and the second has twice the area of the first.