Sudoku for Teachers & Classrooms

Print-ready classroom sudoku packs with six puzzles per page — ideal for warm-ups, sub plans and logic lessons.

Frequently asked questions

Are these puzzles free to print?
Yes — print or download as many as you like, free and without sign-up.
How do I save a PDF?
Click “Save as PDF” to download an A4 file you can print later or share.
Is every Medium puzzle unique?
Yes. Every Medium 9×9 puzzle is generated to have exactly one solution.