Sudoku for Kids #119
sudoku · ages 5-8 · medium
Editorial team · Published August 20, 2026

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Here's a fun 6x6 Sudoku puzzle designed just for kids! Each grid contains 36 squares, divided into six 2x3 boxes. About half the numbers, from 1 to 6, are already filled in, leaving plenty of space for your child to complete the challenge. The satisfying goal is to fill every empty square so that each row, column, and 2x3 box contains all the numbers from 1 to 6, with no repeats. It's a wonderful way to build logic and focus, seeing the puzzle come together piece by piece.
A great way to approach this Sudoku is to look for rows, columns, or 2x3 boxes that already have many numbers filled in. If a section is missing only one or two numbers, it becomes much easier to deduce what those missing numbers must be. For example, if a row has 1, 2, 4, 5, and 6, the missing number has to be 3. This focused strategy helps break down the larger puzzle into smaller, more manageable steps.
Parents and teachers, consider printing multiple copies of this Sudoku and laminating one or two. Then, kids can use a dry-erase marker to solve the puzzle again and again, turning it into a reusable activity for car trips, quiet time, or as an early finisher task. This repeated play helps reinforce number recognition and critical thinking skills without needing to print new pages each time.
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
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.
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.



