Free online resources are available if you want to learn how Sudoku puzzles can be solved. There are many Sudoku downloads that you can get for free. You can also download PDF files of the puzzles. You can also print your own puzzles to practice them at home. The PDF file can be printed using your home printer. Before you begin, make sure you have Adobe Acrobat Reader.
A nine-by-9 Sudoku grid is the most common. This grid is the smallest in size, so you can solve it in a matter minutes. There are even printable Sudoku puzzles that can be completed in under a minute. These puzzles can be solved with logic and do not require math skills. You can print a Sudoku grid and solve it using logic if you are looking for a challenge. In no time, you can solve a 9×9 grid.