Sudoku for Kids #118
sudoku · ages 5-8 · medium
Editorial team · Published August 20, 2026
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Here’s a 6x6 Sudoku grid designed especially for young solvers, featuring six large 2x3 boxes inside. About half the numbers, from 1 to 6, are already filled in, giving your child a great head start. The satisfying challenge is to fill in the remaining squares so that each row, each column, and each of those six 2x3 boxes contains every number from 1 to 6 exactly once. It’s a puzzle that builds confidence as each correct number clicks into place.
To begin, encourage your child to look for the rows, columns, or 2x3 boxes that have the most numbers already filled in. For instance, if a row already contains five numbers, it's easy to deduce the single missing number from 1 to 6. This strategy simplifies the starting steps, helping them understand the rules and giving them quick wins that build momentum for the trickier parts of the puzzle.
Print a few copies of this Sudoku for a classroom activity, or laminate one page for home use. With a dry-erase marker, your child can solve it again and again, reinforcing their number recognition and logical reasoning skills. This reuse idea means less paper waste and more practice, making it a sustainable and engaging way to build problem-solving abilities.
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 do I explain sudoku rules to a child?
One sentence: every row, every column and every box must have each number exactly once. Start by pointing at a nearly-full row and asking "what's missing here?" — kids grasp the rule fastest by finding one forced number, not by hearing the theory.
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 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.
Why does the page look cut off when I print?
That's almost always a scaling setting. In the print dialog choose "Fit to page" (or 100% if your printer handles margins well) and make sure the paper size is set to US Letter. Printing from the downloaded PDF, rather than the browser preview, also gives the cleanest result.