Please use logical thinking instead of guessing! Each puzzle only has one solution.
Sudoku is one of the most popular calculation games. It is played by employing logical thinking. The calculation process does not require calculus or any special mathematics expertise. You only need to brainstorm and concentrate. If you play Sudoku every day, you can improve your concentrated force and further develop your brain potential.
The process of solving Sudoku is filling numbers from 1-9 into 9x9 grids. Numbers in each column and each row (3x3 grids in rough-line boxes) cannot be repetitive.
Sudoku is consisted of 9x9 grids. For beginners, you can try mini Sudoku first. Or you can print them out and let kids solve them on printed paper by using pencils.
300 Sudoku puzzles available here. Download them now