Sudoku puzzles
6×6 Sudoku Puzzles
The step between 4×4 and 9×9: digits 1 to 6, with boxes two rows tall and three columns wide.
Free printable PDF
Download this sheet and its answer key as shown, and print it at home or school. No account needed.
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- Ages
- 7–9
- Grid
- 6×6
- Difficulty
- Easy
- Puzzles per page
- 4
- Solutions
- Included
- Paper
- US Letter or A4
About this worksheet
In a 6×6 sudoku each row, column, and box holds the digits 1 to 6. The boxes are rectangles, two rows tall and three columns wide, which is the main thing to point out to a child moving up from 4×4 grids.
These puzzles keep plenty of clues, so there is always a cell where only one digit fits. When they feel easy, switch the difficulty to medium in the editor, or move on to easy 9×9 puzzles.
- 01
One solution, every time
Each puzzle is checked to have exactly one solution, so it can always be finished by reasoning, never by guessing.
- 02
Solutions included
The sheet ends with a solutions page, with the filled-in digits in red so they stand out from the clues.
- 03
New puzzles in one click
Open the sheet in the editor to deal a fresh set at the same size and difficulty whenever you need another page.
More sudoku puzzles
Questions
- Why are the boxes in a 6×6 sudoku not square?
- Six cells cannot form a square box, so each box is two rows by three columns. The rule is the same as in any sudoku: each box holds every digit from 1 to 6 once.
- How is the difficulty decided?
- By the solving techniques a puzzle needs, not just by how many clues it has. Easy and medium puzzles can be finished by finding the one digit that fits a cell or the one cell where a digit fits; easy puzzles also keep extra clues. Hard puzzles need at least one step beyond that, such as spotting a pair of cells that share the same two candidates.
- Are these 6×6 sudoku puzzles free?
- Yes. The sample sheet on this page, with its solutions, is a free PDF in US Letter or A4, no account needed. Dealing and previewing new puzzles is free too; printing and downloading custom sheets come with Pro, which also removes the preview watermark.