Sudoku for Kids #80
sudoku · ages 5-8 · medium
Editorial team · Published August 12, 2026
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This free printable sudoku puzzle offers a 6x6 grid, perfect for introducing kids to the logic of number placement. About half the numbers are already filled in, giving a solid starting point for completing each row, column, and the distinct 2x3 boxes. The satisfying challenge comes from ensuring that each of these twelve sections (six rows, six columns, six boxes) contains every number from 1 to 6 exactly once, without any repeats.
To tackle this puzzle, encourage your child to focus on the 2x3 boxes first. Often, a box will only have one or two missing numbers, making it easier to deduce what goes where. Once a number is placed within a box, then check if that number's placement helps complete a corresponding row or column. This strategy of working within the smaller, more contained sections can build confidence.
A practical tip for parents and teachers is to laminate a few copies of this sudoku. Kids can then use dry-erase markers to fill in the numbers, allowing for repeated use and practice. This not only saves paper but also offers a low-pressure way for children to try different solutions without the commitment of permanent pen, building essential problem-solving and logical reasoning skills.
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.
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.
Can my child do this one alone?
That's the sweet spot of this age — hand it over and let them own it. Resist hovering: figuring out a sticking point solo (or choosing to ask for help) is a bigger win than a perfectly completed page.
Will it print okay in black and white?
Yes — the printable itself is black line art on a white background, so any printer handles it, including basic laser printers. Set your printer to grayscale or "black ink only" to save color ink; the page will look exactly the same.