How To Solve Shikaku Puzzles
Divide the grid into a series of rectangles. Each rectangle must have only one of the numbers provided in the puzzle. The numbers represent the total number of spaces allowed in that rectangle.
Here is a typical Shikaku puzzle grid. The grid size can be smaller or larger and varies in difficulty.
Some white squares contain a number. That number represents the number of cells in a rectangle. Every number, and only one number, is included in a rectangle.
The solution to the puzzle is shown here.
All solutions form a rectangle (including square) of varying sizes.