Find the minimal path sum from the top left to the bottom right by moving right and down.
Find the minimal path sum from the left column to the right column.
Find a minimum path sum in a matrix from the top left to the bottom right corners by moving up, down, left or right.
In the game, Monopoly, find the three most popular squares when using two 4-sided dice.
Investigating the number of rectangles in a rectangular grid.
Exploring the shortest path from one corner of a cuboid to another.
Investigating numbers that can be expressed as the sum of a prime square, cube, and fourth power.
Minimal product-sum numbers
Calculate characters saved by expressing Roman numerals in minimal form.
An unexpected way of using two cubes to make a square.