Sudoku for Kids #64
sudoku · ages 5-8 · medium
Editorial team · Published August 10, 2026
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This printable features a single 6x6 Sudoku grid, designed specifically for children. About half the squares are already filled with numbers, and your child’s task is to complete the rest using the digits 1 through 6. They'll need to make sure each number appears only once in every row, every column, and within each of the six 2x3 shaded boxes. Successfully fitting all the numbers into their correct places provides a really satisfying sense of order and achievement.
A great way for kids to approach this puzzle is by focusing on 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 identify which digit from 1 to 6 is absent and confidently place it. This strategy helps build confidence and provides a good starting point before moving on to more complex sections of the grid.
Parents and teachers can extend the life of this puzzle by laminating the page and providing a dry-erase marker. This allows children to try the puzzle multiple times, erase mistakes, and even share it with a friend, building logical thinking and number sense through repeated engagement.
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.