Browse our full collection of 9x9 mathdoku puzzles — available in easy, medium, and hard difficulties, free to play online or print as PDF.

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What is a 9x9 mathdoku?

A 9x9 mathdoku is a 9x9 grid number puzzle where you place digits 1–9 so no number repeats in any row or column, and each boldly outlined cage evaluates to a given target using the specified operation.

How hard is a 9x9 mathdoku?

The 9x9 grid is challenging and suitable for advanced solvers and adults.

Can I print 9x9 mathdoku puzzles?

Yes — all our 9x9 mathdoku puzzles are print-ready. Use the Print button on any puzzle page to download a clean PDF version with the solution included.