![]() Just click the icon again to switch to placing big 'final' decisions (you can erase any of these too in case you change your mind). Just click the 'note' icon - now every number you put in a cell will be a small note alongside other candidates. Just like in a paper Sudoku, you can make 'small pencil notes' in the cell of which numbers can go there. No matter what trick you use the most helpful thing for solving a Sudoku is 'penciling the candidates'. Now draw a horizontal and vertical line from every 4 on the board (you remember you can't place another 4 in a row or column) - it will quickly become clear there are almost no cells left where you can actually put it. Choose a number that occurs most on the board already (so there's one or two instances left to place) - there are indicators below the board to help you find the best one. ![]() The more advanced technique you can use for a harder puzzle called 'scanning': it exploits the fact that any given number from 1 to 9 can occur only nine times in a completed Sudoku puzzle. Now you will notice the more and more rows, columns and regions become almost complete and easy to deduce - the complete puzzle picture becomes clearer with each move. Now try to use the same technique but now with an almost filled-in row or column - find the one where only one number missing (then the answer is obvious) or two ones missing - try both options and figure out the right one. Which one is correct? Just place 3 and look across the whole row, then the column: is there a duplicate? Try the same with 7 and you'll get the correct option. For example, if a 3x3 square lacks just the numbers 3 and 7, we have only two options on how to place these two remaining numbers - 3 in a first cell and 7 in a second one or vice versa. You will certainly see a square where just one or two numbers are missing. Start a Sudoku puzzle on an Easy level to learn all the techniques quickly. Sounds like a tricky task? Just start scanning the board and you'll find all clues you need, one by one, and get the puzzle solved. So each number from 1 to 9 occurs only one time in each row, column and region. Now you just need to fill the remaining cells with numbers from 1 to 9, obeying the only rule:Ä®ach row, column or region must not contain repetitive numbers. The more cells are pre-filled the easier the puzzle. You start a Sudoku puzzle with some cells already filled in with numbers. So each row, column or region contains nine cells. In each Sudoku puzzle you have a 9x9 grid, divided into nine 3x3 square regions (you can just look above to get an impression). If you cannot find the book after downloading it, please check in your Downloads folder on your computer and look for a file called WordWheels_ FEEDBACK More Games Puzzles Solitaire Mahjong How to Play Sudoku You don't need to register, login or provide your email to download the book. The book is by the author of this website, Aaron Kitching, a professional Website Developer from Manchester, England. All the pages can be printed out on A4 paper, or if you prefer print just a selection of pages and save the rest for later. This printable Sudoku puzzles PDF book contains 200 puzzles with two puzzles on each page. All skills that teachers should teach children. Sudoku puzzles are said to improve memory, patience, confidence, left and right-side brain skills, and they can help in making you a better decision maker. There are many more educational benefits that can be gained from this free Sudoku book. Children that have little interest in studying and low concentration levels often enjoy Sudoku puzzles - playing Sudoku puzzles helps to reverse this problem. They are said to improve concentration levels and all-round brain power. They are not only a fun game to play but they force you to think more logically. It has been noted in the past by scientists that Sudokus have such a high educational value that they are highly recommended for children. ![]() They are a superb brain exercise and they improve IQ and logical thinking. Sudoku has been proven to be one of the best ways to improve brain activity, particularly in children. Why buy a book when you can download one for free! Feel free to distribute this book to your friends or other teachers, but please don't sell or publish the book elsewhere. You don't have to printout all of the pages at once if you feel the number of pages is overwhelming, simply just print out a selected few pages and save the rest for another day. Sudokus are an excellent brain trainer so teachers can download this book and print out the pages for students to complete in class or for homework. You can download this book for free for your own personal usage. 200 Sudoku Puzzles: For Boosting your Brain-power! is a PDF book containing 200 printable Sudoku Puzzles. ![]() FREE Printable Sudoku Puzzle Book PDF DownloadÄownload this FREE PDF full of Sudoku Puzzles.
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