Sudoku for Kids #66
sudoku · ages 5-8 · medium
Editorial team · Published August 10, 2026
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This free printable presents a 6x6 Sudoku grid, thoughtfully designed with 2x3 boxes that make it perfect for kids learning the ropes. About half the numbers, from 1 to 6, are already filled in, offering a satisfying challenge as your child works to complete each row, column, and the larger 2x3 boxes using every number exactly once. The bold outlines print crisply, making the numbers easy to read and work with, fostering a sense of accomplishment with each correct placement.
A great way for kids to tackle this puzzle is to focus on a single row, column, or 2x3 box at a time where most of the numbers are already present. By scanning the existing numbers in that specific section, your child can easily identify which number from 1 to 6 is missing. This "elimination" strategy helps narrow down the possibilities, building confidence as they methodically fill in the grid without getting overwhelmed.
To get the most out of this page, print several copies and laminate one to create a reusable dry-erase activity. Kids can use a dry-erase marker to fill in the numbers, wiping it clean to try again or for a friend to solve. This encourages practice and problem-solving skills, making it a valuable tool for developing logical thinking and number recognition.
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
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.
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.
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.