Calcudoku Generator (KenKen-Style Math Puzzles)

Calcudoku — the math-logic puzzle also known as KenKen — mixes a Latin-square grid with arithmetic cages. Fill each row and column with no repeats, and make every cage hit its target with the sign shown. Pick a grid size and difficulty, regenerate as many as you like, and print. Every puzzle has exactly one solution.

Grid size

DifficultyInclude an answer key on a second page

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Calcudoku · 4×4 · Easy

Fill every row and column with 1–4, no repeats. Each cage’s numbers must combine to its small target using the sign shown: + add, − subtract, × multiply, ÷ divide.