4x4 sudoku
The smallest sudoku there is: four rows, four columns, four boxes and the numbers 1 to 4. A great first puzzle for young children.
4x40:00
Each row, column and 2x2 box holds 1, 2, 3 and 4 exactly once.
Ask your child which number is missing in a row. That question is the whole game.
Techniques · Printable · Daily