Sudoku for Kids #120
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, perfect for beginners. Each puzzle is divided into six distinct 2x3 boxes, and about half the numbers are already filled in for a good head start. The satisfying challenge is to complete every row, every column, and every one of those 2x3 boxes using the numbers 1 through 6, ensuring no number repeats within any of those sections. It’s a gentle introduction to logic puzzles, offering a sense of accomplishment with each completed section.
To tackle this specific Sudoku, encourage your child to start with the rows, columns, or 2x3 boxes that have the most numbers already filled in. Often, a row or box will only be missing one or two numbers, making them much easier to complete first. For example, if a row has 1, 3, 4, 5, and 6 already present, the missing number must be 2. This strategy helps build confidence and provides more clues for the trickier, emptier sections of the grid.
A practical tip for parents and teachers is to laminate this page after printing. This allows children to use dry-erase markers to complete the puzzle repeatedly, making it a sustainable activity for individual or small-group work. Repeated engagement with the same puzzle helps children solidify their understanding of the rules and develop more advanced logical deduction skills with each attempt. This puzzle is best suited for children aged 6-9 years.
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 long should a kids' sudoku take?
Anywhere from five minutes to half an hour is normal, and speed doesn't matter. If it's over in two minutes, move up a grid size; if it stalls completely, solve the next number together and hand the pencil back.
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.
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.