Free Math Doku
Math Logic Puzzle

KenKen

A challenging math puzzle that combines Sudoku with arithmetic. Fill the grid using logic and basic math operations.

Start Solving
4×4

Choose Your Level

Progressive difficulty from 4×4 to 7×7 grids

4

Easy

Perfect for beginners. Small 4×4 grids with simple arithmetic.

20 Puzzles
5

Medium

Moderate challenge. 5×5 grids with mixed operations.

20 Puzzles
6

Hard

Advanced puzzles. 6×6 grids requiring careful planning.

20 Puzzles
7

Expert

Maximum difficulty. 7×7 grids with complex cages.

20 Puzzles
➕

4 Operations

Addition, subtraction, multiplication, and division combine in arithmetic cages.

🔢

Latin Square

Like Sudoku - each number appears once per row and column.

🖨️

Print Ready

Download high-quality puzzles with solutions for offline solving.

4
Levels
80
Puzzles
4-7
Grid Size
Free
Always