Sudoku for Kids #91
sudoku · ages 5-8 · medium
Editorial team · Published August 15, 2026
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Here’s a fantastic 6x6 Sudoku puzzle designed especially for kids, featuring clear 2x3 boxes within the larger grid. About half of the numbers, from 1 to 6, are already filled in, giving your child a great head start. The goal is to complete each row, column, and the outlined 2x3 boxes so that every line and section contains the numbers 1 through 6 exactly once, with no repeats. It’s incredibly satisfying to see the grid fill up and realize you've logically placed every single number.
A great way for kids to approach this puzzle is by focusing on one specific number at a time. Pick a number, say ‘3’, and then scan the entire grid, looking for every row, column, and 2x3 box that already contains a ‘3’. This will help them narrow down the possible empty cells where a ‘3’ could be placed. Then, they can systematically fill in all the '3's before moving on to the next number, like ‘4’, making the task feel less overwhelming and more manageable.
For parents and teachers, this puzzle is perfect for building logical reasoning and number recognition skills. To make this free printable reusable, laminate it or slip it into a clear plastic sleeve. Your child can then use a dry-erase marker to fill in the numbers, wipe it clean, and solve it again, or pass it to a sibling or friend. This extends the fun and practice without needing to print multiple copies.
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
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.
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.