Sudoku for Kids #112
sudoku · ages 5-8 · medium
Editorial team · Published August 19, 2026
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This free printable sudoku for kids features a neat 6x6 grid, thoughtfully designed with distinct 2x3 boxes. About half the numbers, from 1 to 6, are already filled in, giving your child a satisfying head start. The goal is to complete each row, column, and every 2x3 box using the numbers 1 through 6, ensuring no number is repeated within any of these sections. It’s incredibly satisfying to fill in those final squares and see the whole puzzle click into place.
A great way for your child to approach this specific sudoku is to focus on a single number at a time. For instance, have them find all the existing '1's on the grid. Then, they can systematically look at each row, column, and 2x3 box to see where the remaining '1's *must* go, eliminating possibilities as they go. This method builds a strong sense of logical deduction and keeps the task manageable.
For an engaging reuse idea, print a few copies of this sudoku and laminate one. Your child can then use a dry-erase marker to solve it repeatedly, wiping it clean for a fresh challenge or to let a sibling have a turn. This not only makes the activity more sustainable but also encourages practice and mastery of the number placement skills it develops.
Teacher notes
Skills practiced
- Logical reasoning and elimination
- Number recognition and one-to-one checking
- Persistence with a multi-step problem
- Explaining reasoning aloud: "this must be a 3 because..."
Suggested use in class
- Math warm-up projected on the board, solved together
- Independent center with the answer key face-down for self-checking (pair up students who need support)
Time estimate
10–15 minutes
Materials
- Printed page
- Pencil with eraser
Download & print — it's free
US Letter (8.5×11"). Print at home, no sign-up needed.
Tip: set your printer to “Fit to page” for best results.
Includes answer key (page 2 of the PDF)
Print just page 1 for the puzzle, or both pages to keep the solution handy for checking.
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Frequently asked questions
How do I explain sudoku rules to a child?
One sentence: every row, every column and every box must have each number exactly once. Start by pointing at a nearly-full row and asking "what's missing here?" — kids grasp the rule fastest by finding one forced number, not by hearing the theory.
Is this sudoku size right for a beginner?
Smaller grids are the on-ramp: 4×4 boards suit first-timers, 6×6 suits kids who've solved a few and want more of a challenge. This 6×6 is a good step up once the 4×4s feel easy.
Is this too babyish for my 8-year-old?
Try it before assuming — kids this age still love a good puzzle or coloring session, especially with "grown-up" tools like gel pens or fine-tip markers. Adding a self-set challenge (a timer, a color pattern, beating a sibling's time) refreshes any page.
Why does the page look cut off when I print?
That's almost always a scaling setting. In the print dialog choose "Fit to page" (or 100% if your printer handles margins well) and make sure the paper size is set to US Letter. Printing from the downloaded PDF, rather than the browser preview, also gives the cleanest result.