What is on this puzzle set
This page prints a fresh sheet of Sudoku puzzles every time you load it, with a matching answer key you can show or hide. The grid choices are the whole point: a 4 by 4 grid uses only the numbers 1 to 4 and suits a first solver around five, a 6 by 6 grid steps up to the numbers 1 to 6 for roughly seven and up, and the classic 9 by 9 waits for a child who has those smaller grids solid. Because every puzzle is generated with a single logical solution, none of them ever needs a guess, and no two prints are the same.
How to use it
Pick a grid size and level, press New puzzles for a fresh set, then print. Print with answers hidden for your child, and use Show answers to print a key.
Three ways to practice
Solve the paper and the screen version together
Print a 4 by 4 sheet and keep the online game open beside it. A child can try the paper puzzle in pencil, then check the same grid size on screen where mistakes are flagged as they happen. Paper builds the patient, cross-out-in-your-head habit; the screen gives instant feedback, and using both is faster than either alone.
Race the grown up, one puzzle each
Print two copies of the same sheet, take one each, and start together. A child rarely beats an adult on speed, but on a 4 by 4 grid the gap is small enough to be exciting, and wanting to keep up is what pulls a reluctant solver back for another go.
Mark it, do not just check it
When your child finishes, print the answer key and have them mark their own sheet rather than you doing it. Finding their own wrong square, tracing back to the row or box where a number was repeated, is the part that actually teaches, and it is a habit that carries straight into checking their schoolwork.
A tip worth knowing
Start a young child on 4x4, where a whole puzzle fits in a minute or two. Fold the answer key under so the temptation to peek is out of sight.
Printing this sheet
Press Print this sheet and only the puzzles reach the paper, sized to fill a portrait page on US Letter or A4. Pick your grid size and level first, and press New puzzles until you have a set you like. Print with the answer key hidden so your child can work in pencil, then press Show answers and print once more if you want the solutions to mark against. The 4x4 grids fit several to a page for younger children, while the 9x9 grids print larger with room to write.
Frequently asked questions
What size Sudoku should I print for a young child?
Start with 4 by 4, which uses only the numbers 1 to 4 and can be finished in a minute or two. It teaches the exact same rules as the big grid without overwhelming a child, and the quick win is what makes them ask for another. Move up to 6 by 6, then 9 by 9, as each size becomes easy.
Do the printed puzzles come with answers?
Yes. Every sheet has a matching answer key. Press Show answers before printing if you want the key, or leave it hidden to print just the puzzles for your child. You can print the puzzles first and the key separately, so a child never sees the solution while they work.
Are the puzzles different every time?
Yes. A brand new set is generated on every visit and every time you press New puzzles, so the practice never runs out and a child cannot simply memorize one sheet. Each puzzle is built to have exactly one solution, so it can always be finished with logic alone.