A beginner's guide to solving KenKen puzzles, the cousins of the popular SuDoku puzzle which combine logic with simple math operations. Find out about "cages", "target numbers" and the basic solving strategies needed for these addictive number puzzles.
Free Print-Friendly Sudoku Puzzles
For the Sudoku enthusiast, hundreds of free Sudoku puzzles in five levels of difficulty: extra-easy, easy, medium, challenging and extra-challenging. These Sudoku puzzles come four to a page, so you can save on paper.