#Free printable hard sudoku puzzles series#
#Free printable hard sudoku puzzles free#

(See the sudoku puzzle image at left as an example.)Īs I mentioned above, you need to enter a single digit 1 through 9 in each of the 81 small squares in the puzzle. The grid is further subdivided into 3-by-3 boxes. These small squares are also known as cells. Sudoku puzzles consist of a large square divided into a 9-by-9 grid. Every sudoku puzzle has only a single solution. The puzzle is solved once you have filled in all the small squares following this rule. Enter a number 1 through 9 in each cell of the puzzle such that no number is repeated in any row, column, or 3-by-3 square. You'll learn advanced techniques such as Ghosting, RC Counting, Tagging, and Line Checking.

#Free printable hard sudoku puzzles free#

Note: To learn powerful strategies for solving sudoku, see Kevin Rush's free guide here. MORE PRINTABLES: Crossword Puzzles, Word Searches, Bible Word Searches, Special Needs Word Searches, Mormon Word Searches, Balance Quest Math Puzzles Review of Sudoku Rulesįor those new to sudoku, I'll quickly go over the rules. Your readership will love it! (In your publication, simply include the following copyright statement next to the puzzle: '©. I hope you enjoy solving them.Īre you the publisher of a newsletter, bulletin, newspaper, or magazine? Include a sudoku puzzle or word search puzzle in each issue. The new larger sudoku printables here correct all those issues. Folks with eyesight problems may have trouble reading the numbers on those. This doesn't leave much room for annotating each puzzle with tag numbers as you try to solve it.Īlso, the four-to-a-page can feel a little cramped. On the down side, I had to shrink those puzzles so all four would fit on a single page. The main benefit is you get four sudoku puzzles one sheet, which saves paper. I thought four-sudoku-to-a-page was a good idea at the time.Ĭramming four on a page does have its advantages. More About the Free Printable Sudoku PuzzlesĪs mentioned, the free sudoku printables linked above are one to a page, unlike the other collection. The solutions themselves are huge, too, for easy viewing. The solutions (answers) to the large-print sudoku puzzles are in the back of each book. The big cells in the puzzle grid make it easier to write the number in the box. A very large-print puzzle is ideal for seniors or anyone with vision issues.Įven someone with good vision can benefit, if they have tremors from Parkinson's disease or other conditions. That makes the puzzles much easier to see and work with compared to most puzzle books. The big puzzles in these books are one puzzle to a page. The other four books are 100 Easy, 100 Medium, 100 Hard, and 100 Very Hard large-print sudoku. Hard #1 includes 25 Easy, Medium, Hard, and Very Hard sudoku puzzles. The puzzle book shown at left, Easy to V. The books are available for purchase on. The sudoku grids in these books are as large as I could possibly fit on the 8.5'x11' page.

#Free printable hard sudoku puzzles series#

I've created a series of five large-print sudoku books that I call 'Huge Print Sudoku'. Playing sudoku daily can boost your concentration, ease depression and even prevent Alzheimer's disease.Tired of printing out large sudoku puzzle pages one by one? Buy my awesome sudoku puzzles books instead! Can you imagine that there are 5,472,730,538 possible sudoku puzzles? The Times in London helped spread Sudoku to Western culture by publishing its first daily sudoku in 2004. Therefore, in the sudoku game, we have to fill in numbers without repetition.

What is Sudoku? 'Su' in Japanese means numbers while 'Doku' means single.

The best part of the game: This free online sudoku game delivers a new puzzle each and every day! Interesting Facts about Sudoku The goal of the game is to fill every square on the grid with a number from 1-9, where the numbers can only appear once in every row, column and 3x3 box. You can place notes, find sudoku tips, manage the timer and save the sudoku game by clicking the menu bar in the top-right corner. Worried about damaging your sudoku puzzle with eraser marks? When you play our free online sudoku game, there's no need! You can choose easy sudoku, medium sudoku, or even sudoku for experts if you are confident.