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Free printable calcudoku

Calcudoku combines number placement with simple arithmetic. You fill a grid so each row and column holds every number once, and each outlined cage hits its target using the printed operation. Fans of sudoku and logic math puzzles enjoy the extra challenge cages add.

Solution page included
Printable Calcudoku puzzle page
Peek at the solutionCalcudoku solution page

This page offers a free, high-resolution printable puzzle image sized for a 6x9 inch page, plus a matching solution page. Download both as PNG files with no signup, then print at home whenever you like.

How to play

  1. Scan the grid for cages with few cells or a clear target.
  2. Fill each row and column so every number appears once.
  3. Check that each cage equals its target with the given operation.
  4. Cross-check your finished grid against the solution page if you get stuck.

Print at 100% scale on letter or 6x9 paper with normal quality ink so cage lines and numbers stay crisp.

Frequently asked questions

Where can I find the Calcudoku answer key?

A matching solution image is included on this page as a second download. Print the puzzle first, then keep the solution nearby or open it only when you want to check your work.

Is this Calcudoku puzzle really free to print?

Yes. The puzzle and solution are free PNG downloads with no signup. You may print them for personal use or classroom activities. SmartKDP also offers a full studio if you want to publish complete puzzle books.

Who is Calcudoku good for?

Calcudoku suits solvers who like sudoku-style grids with a math twist. Beginners can start with smaller cages and simple operations, while experienced puzzlers enjoy tighter constraints and multi-cell arithmetic challenges.

What size should I print this puzzle?

The image is sized for a 6x9 inch page. Use actual size or 100% scale so the grid stays sharp and readable. Standard letter paper works if you center the image with modest margins.