Your Free Sudoku Puzzle
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Play Easy Sudoku Puzzles Online
The elementary level is the second-lowest difficulty level on our website. The puzzles at this level are still easy. But the number of pre-filled digits is less than the kindergarten level, so it takes a little more observation to find the correct position of the digits. However, the basic solving technique called hidden single can still solve this level of puzzles, and therefore, it is very suitable for people who have just played Sudoku for not too long.
There is another basic Sudoku solving technique called naked single. Although you may not need this technique at this level, it will definitely help to find the correct digit for an empty cell in some cases. You should learn that before moving to the next level.