Sudoku and Number Puzzles
⭐ MasteredSudoku is a number puzzle where each row, column and 3×3 box must contain the digits 1 to 9 without repeats. It builds logical thinking.
Sudoku means single number in Japanese.
All about Sudoku and Number Puzzles
Sudoku is a number puzzle played on a 9 by 9 grid divided into nine smaller 3 by 3 boxes. Some squares start with numbers, and you must fill the rest so that each row, each column and each box contains the digits 1 to 9 without repeats.
Sudoku builds logical thinking and patience, and it does not need any maths beyond counting. Other number puzzles include magic squares, number grids and logic puzzles. Trying a range of puzzles keeps the brain active and challenged.
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Real-life uses of Sudoku and Number Puzzles
- Solving a daily puzzle on the bus
- Practising logic and planning
- Challenging friends with a number puzzle
Frequently asked questions about Sudoku and Number Puzzles
How do you start a sudoku puzzle?
Look for rows, columns or boxes that already have many numbers, and find squares where only one number can fit.
Who invented sudoku?
It was developed in the United States in the 1970s, and it became popular in Japan before spreading worldwide.
Is there only one solution?
A well-designed sudoku puzzle has exactly one solution, so you can check that your answer is correct.