Sudoku for Kids #121
sudoku · ages 5-8 · medium
Editorial team · Published August 20, 2026
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This free printable Sudoku puzzle for kids features a clear 6x6 grid, divided into six distinct 2x3 boxes. About half the numbers, from 1 to 6, are already filled in, giving your child a satisfying starting point to build upon. The goal is to complete each row, column, and 2x3 box so that every number from 1 to 6 appears exactly once, with no repeats. Watching the grid slowly fill with the correct sequence of numbers offers a quiet sense of accomplishment.
To tackle this Sudoku effectively, encourage your child to start by scanning for rows, columns, or 2x3 boxes that have the most numbers already filled in. For instance, if a row is missing only one number, your child can quickly deduce what that missing number must be by seeing which numbers (1-6) are already present in that specific row. This strategy helps build confidence and provides quick wins.
A great practical tip for this page is to slip it into a clear plastic sleeve or laminate it after printing. Your child can then use a dry-erase marker to complete the puzzle, allowing them to erase mistakes easily and reuse the same puzzle again and again. This not only saves paper but also offers repeated practice for developing logical thinking and number recognition 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.
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.