Three sizes
4x4 for beginners, 6x6 for practice, and classic 9x9.
Logic and focus
Printable sudoku
Generate sudoku worksheets for class, after-school activities, or home logic practice. Choose 4x4, 6x6, or classic 9x9.
Key options
Difficulty levels
Match the puzzle to age and experience.
Answer key
Include the solution in the PDF for easy checking.
Best uses
Logic warm-up
Sudoku works as a calm lesson starter or short break.
Focus practice
The task trains attention, planning, and elimination.
Individual work
Each student can get a different layout at the same level.
How to generate it
1
Choose size
Pick 4x4, 6x6, or 9x9.
2
Choose difficulty
Set the level for the group.
3
Download PDF
Print it or open online play.
Riddlepad
Open sudoku generator
FAQ: printable sudoku
Quick notes about PDFs, levels, and online play.
Does sudoku have one solution?
Yes. Boards are generated for logical solving.
Is there a kids version?
Yes. 4x4 is a gentle start, and 6x6 is the next step.
Can students play online?
Yes. Sudoku can be solved in the browser.
Can the PDF include answers?
Yes. You can include an answer key.