Sudoku for Kids #55
sudoku · ages 5-8 · medium
Rapi Stack, Buenos Aires · Published August 3, 2026
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This free printable sudoku for kids features a clean 6x6 grid, perfect for little hands to navigate. About half the numbers, from 1 to 6, are already filled in, giving a great head start. Your child will complete each row, column, and the six 2x3 boxes using the numbers 1 through 6, ensuring no number repeats in any of those sections. There's a real sense of accomplishment as each box is checked off and the grid slowly fills with vibrant numbers, leading to a satisfying final solution.
To help your child tackle this puzzle, encourage them to look for rows, columns, or 2x3 boxes that already have a lot of numbers filled in. If a section is missing only one or two numbers, it becomes much easier to deduce the missing values by seeing which numbers from 1 to 6 are still needed. This "counting what's left" strategy helps them focus their search and build confidence in their problem-solving skills.
For a practical tip, print a few copies of this sudoku and laminate one. Your child can then use a dry-erase marker to solve it repeatedly, making it a reusable activity perfect for car trips or quiet time. This helps reinforce number recognition and logical thinking, building valuable critical thinking skills in an engaging way.
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
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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
Should kids solve sudoku in pencil?
Definitely pencil, with an eraser nearby. Guessing and backtracking are part of learning the game, and being able to erase keeps it playful. Writing tiny "candidate" numbers in a corner of a square is a real solver technique kids enjoy discovering.
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.
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.