Sudoku for Kids #20
sudoku · ages 5-8 · medium
Editorial team · Published July 10, 2026
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Sudoku for Kids #20 offers a satisfying 6x6 grid with clear, bold lines, perfect for little hands. This medium-difficulty sudoku features numbers 1 through 6, with about half the grid already filled. The 2x3 boxes are easy to identify, making the "no repeats" rule for rows, columns, and boxes straightforward for young solvers. Completing each section with the missing numbers brings a quiet sense of accomplishment.
To begin this sudoku, encourage your child to pick a specific row, column, or 2x3 box that has the most numbers already filled in. By identifying the numbers already present in that section, they can easily deduce which single number is missing from the 1-6 sequence. Once one number is placed, it often makes another section much easier to complete.
This Sudoku for Kids #20 page is excellent for practicing logic and number recognition. Children will develop their problem-solving skills by carefully analyzing each row, column, and box to determine the correct placement of the numbers 1 through 6, ensuring no repetitions occur. It also reinforces their understanding of numerical order within a small range.
For a fun variation, print two copies of Sudoku for Kids #20. Have your child complete one copy using a pencil. Then, on the second copy, encourage them to use crayons or colored pencils to fill in the numbers, perhaps assigning a different color to each digit from 1 to 6. This adds a visual element and can help children double-check their work in a new way.
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
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.
What age is the Sudoku for Kids #20 for?
It's aimed at kids ages 5–8 — enough detail to be interesting without being fiddly. Younger siblings can join in with help, and the range is a guide, not a gate: match the child, not the label.
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.