Pick a Grid Size
Choose 4x4 for ages 4-6, 6x6 for ages 6-9 (the default), or 9x9 easy for kids 10 and up.
Easy sudoku puzzles in 4x4, 6x6, and 9x9 grids, sized for kids age 4-12. Generate printable PDFs with kid-friendly difficulty and clear large numbers. Includes answer keys for parents and teachers.
Configuration
Sudoku6×6 grids are great for kids and beginners.
Easy - Perfect for beginners and kids
Every grid size starts generously pre-filled - far more clues than adult sudoku - so kids from preschool to 5th grade experience success on most boards.
Default 2-per-page layout keeps grids big and numbers bold. Perfect for young eyes and still-developing fine motor skills.
Separate answer-key PDF makes checking effortless. No logins, no watermarks — print unlimited copies for home or classroom.
Choose 4x4 for ages 4-6, 6x6 for ages 6-9 (the default), or 9x9 easy for kids 10 and up.
Easy mode is already preset for every grid size — big grids and large numbers work best for elementary students
A batch of kid-friendly sudoku puzzles appears instantly — click Shuffle for new ones
Download both PDFs and hand puzzles to kids, keep the key yourself
Introduction to systematic thinking — kids learn to scan, eliminate, and deduce with visible progress each round.
Fast finishers get meaningful enrichment. Sudoku uses no arithmetic yet builds the same logical muscles.
Paper-and-pencil calm for kids who need a focused quiet-time alternative to tablets and TV.
A booklet of kids sudoku beats a tablet. No batteries, no arguments, and 15 minutes of real focus per puzzle.
Built-in logic and problem-solving activity that fits neatly between math and reading blocks.
Low-prep, high-engagement rotation station. Print once, run it every week with a fresh batch.
Sudoku builds three skills every elementary student needs: pattern recognition, working memory, and patience. Here's the fastest path from zero to independent solving.
Match the grid size to your child's age for the best start: 4×4 works well for ages 4-6, 6×6 suits ages 6-9 (our default above), and easy 9×9 fits kids age 10 and up. Not sure which fits? Print a blank sudoku grid to practice writing candidates at any size before jumping into full puzzles.
Learn expert techniques to create better puzzles

Complete killer sudoku combinations list. Every 2, 3, 4 and 5-cell cage sum with the unique combinations you should memorize, plus the 45 rule explained.

Master sudoku with proven strategies from beginner to expert. Learn techniques like X-Wing, Swordfish, and tips to solve any puzzle.

Practical guide for teachers using sudoku in the classroom. Learn sudoku lesson plans, classroom management strategies, and activities for all grade levels.