Sudoku is a great activity to sharpen the mind. The object of Sudoku is to fill in the empty spaces of a 9x9 grid with numbers 1-9 in such a manner that every row, every column and every 3x3 box contains all numbers 1 through 9. It's fun and challenging for all ages.
Choose from a larger single puzzle, 2 medium puzzles or 4 small puzzles per page. You can also choose your difficulty and page title. After printing the puzzle(s), simply close the window and generate and print the key for that Sudoku.
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Fill in the grid with digits in such a manner that every row, every column and every 3x3 box accommodates the digits 1-9, without repeating any.
Remember: Each time you generate ('Update' button), you are getting a brand new sudoku puzzle!