Sudoku for Kids #19
sudoku · ages 5-8 · medium
Editorial team · Published July 10, 2026
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Welcome to Sudoku for Kids #19! This free printable page features a 6x6 grid, perfect for young puzzlers. Within the larger grid, you’ll find six smaller 2x3 boxes, each outlined with clear, bold lines that print crisply. About half the numbers, from 1 to 6, are already filled in, giving your child a solid starting point. The satisfaction comes from discovering where the remaining numbers fit, making each row, column, and 2x3 box complete with no repeats.
For tackling this specific Sudoku, we recommend starting by scanning the 2x3 boxes. Look for a box that only has one or two numbers missing. For example, if a 2x3 box contains 1, 2, 3, and 5, your child knows that 4 and 6 are the missing numbers for that box. Then, they can check the corresponding rows and columns for where those missing numbers might already exist, helping them place the 4 and 6 in the correct empty cells within that small box.
This Sudoku for Kids #19 page specifically practices logical reasoning and number recognition. Children will engage their brains to deduce which numbers are missing and where they belong, strengthening their problem-solving skills. The task of ensuring no number repeats in any row, column, or 2x3 box builds a foundation for more complex logical thought processes, all while reinforcing their understanding of numbers 1 through 6.
A practical idea for parents and teachers is to laminate this page. Your child can then use a dry-erase marker to fill in the numbers. This allows for repeated use of the same puzzle, encouraging them to try different solving strategies each time they play. It also provides an opportunity to share the puzzle with a friend or sibling, taking turns to fill in a number and discuss their reasoning.
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.
What age is the Sudoku for Kids #19 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.