Sudoku for Kids #116
sudoku · ages 5-8 · medium
Editorial team · Published August 19, 2026
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Here’s a 6x6 Sudoku grid designed especially for younger puzzlers. About half the numbers, from 1 to 6, are already filled in, leaving plenty of engaging spaces for your child to complete. The grid is divided into six 2x3 boxes, and the goal is to fill every empty square so that each row, each column, and each 2x3 box contains all the numbers from 1 to 6, with no repeats. There’s a quiet satisfaction in scanning the grid and finding that perfect number to slot into place.
To start solving, encourage your child to pick a specific row, column, or 2x3 box that has the most numbers already filled in. For example, if a row already has five numbers, it’s much easier to figure out the single missing number from 1 to 6. They can then cross-reference this with the existing numbers in the relevant column and 2x3 box to confirm their choice, building confidence with each correct placement.
A practical tip for this puzzle is to print a few copies or laminate one for repeated use with a dry-erase marker. This allows for mistakes to be easily erased and provides multiple opportunities to practice the logic without wasting paper. It’s a fantastic way to develop logical reasoning and number recognition skills in a low-pressure, repeatable format.
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
My child says the puzzle is impossible. Now what?
It isn't — every grid starts from a fully valid solution, so a way through always exists. The trick is to hunt for the most-filled row, column or box and ask what's missing there. If a wrong number went in early, a fresh printed copy is often kinder than untangling the error.
What does sudoku teach besides numbers?
Logic, mostly — sudoku needs no arithmetic at all. Kids practice deduction ("this is the only place a 3 can go"), process of elimination, and the patience to check their own work. It's one of the best focus-builders that still feels like a game.
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.