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KenKen Puzzles by KrazyDad

December 2014: Volume 3 of Inkies are out. Enjoy!

Here are hundreds of free KenKen puzzles suitable for printing. Inkies have the same rules as KenKen® the puzzles created by Tetsuya Miyamoto. They are also called Mathdoku, Calcudoku, and Web Kendoku. Each Inky puzzle has only one unique solution.

Instructions

Fill in the blank squares so that each row and each column contain all of the digits 1 thru 4 (or whatever the size of the puzzle is).

The heavy lines indicate areas (called cages) that contain groups of numbers that can be combined (in any order) to produce the result shown in the cage, with the indicated math operation. For example, 8× means you can multiply the values together to produce 8.

Numbers in cages may repeat, as long as they are not in the same row or column.

Take a look at the answers page if you get stuck!

Thanks to Simon Tatham, whose code formed the starting point for this collection.

All puzzles ©2005-2014 KrazyDad.com. Feel free to reproduce the puzzles for personal, church, or school use. If you would like to purchase new puzzles for a book or periodical, contact me at dad@krazydad.com.