![]() When you eliminate a number as a possibility for a specific cell, remove it from the candidate list for that cell. Candidate Lists: Keep track of the possible numbers for each empty cell in a candidate list (pencil marks). ![]() If a number can only go in one row or column within that box, it can be eliminated from the corresponding row or column outside the box. Box-Line Reduction: Look for numbers that are confined to a specific box in a row or column.This is called a “naked triple.” The same principle applies to pairs and quads. Subset Strategy: When you have a group of three cells in a row, column, or box that can only contain three specific numbers, you can eliminate those numbers from other cells in the same row, column, or box.This method helps identify potential candidates. Crosshatching: Focus on one number at a time and look for cells in rows and columns where that number is missing but could potentially go based on the numbers already filled in the boxes and the overall grid.If you find a number that appears only twice in a row, column, or box, you can often determine where it should go. Check Rows, Columns, and Boxes: Examine rows, columns, and 3×3 boxes to see if a number appears twice.This is the most basic and crucial strategy. If you find any, fill them in immediately. Scan for Obvious Numbers (Singles): Always start by scanning the puzzle for any cells with only one possible number.Here are some Sudoku strategies for intermediate users: Intermediate Sudoku puzzles can be more challenging than the easy ones but don’t require advanced techniques used in expert-level puzzles. Sudoku is a popular number puzzle that requires logic and deduction to solve. Anything that stretches your mind will help keep your brain sharp.Intermediate Sudoku Worksheets (Level 2) Free and Printable I have a hand-held Sudoku game (with stylus) that I play all the time.Įven though I practice, I'm not very good. Sudoku really is an excellent brain game, as it trains logical reasoning and visual perception, among other brain skills. The challenge of sudoku is using the process of elimination and other strategies to identify the unique solution for the sudoku puzzle. The numbers 1 through 9 must appear exactly once in each 3x3 box. The numbers 1 through 9 must appear exactly once in each column. The numbers 1 through 9 must appear exactly once in each row. To figure out which number between 1 and 9 belongs in a particular cell, you need to adhere to the following rules: Your job is to determine the correct number to be entered in each of the empty cells. ![]() Some of the cells in the grid are prefilled with a number between 1 and 9, while many other cells are blank. This grid is subdivided into nine 3 x 3 boxes. The hard part lies in solving the puzzle!Ī sudoku puzzle consists of a 9 by 9 grid. Here's a summary of the rules of sudoku, in case you've never played before or need a refresher. Printable Sudoku Puzzles - Rules of Sudoku The solutions pages are provided as well. To print a puzzle page, click the "Print This Page" button at the top of the page. Reprinted by Permission.") The 100 Free Sudoku Printables Your readership will love it! (In your publication, simply include the following copyright statement next to the puzzle: "©. Want to play sudoku online in your browser? Visit my Free Sudoku Games page.Īre you the publisher of a newsletter, bulletin, newspaper, or magazine? Include a sudoku puzzle or word search puzzle in each issue. More Free Printables: Crosswords, Word Searches, Bible Word Searches, Special Needs Word Searches, Mormon Word Searches, Balance Quest Math Puzzles For detailed instructions, including advanced techniques, visit the Sudoku Instructions page. See below for a summary of the rules of sudoku. ![]() Or if you're a sudoku whiz, go for the harder ones. If you are new to sudoku, start with an easy puzzle. The printable sudoku puzzles pages below are listed in order of difficulty. Note: For even more sudoku, see the 100 Free LARGE Sudoku Puzzles page. There is a link to the Solutions on the puzzle page as well. On this page are 100 free sudoku puzzles I made that you can print out right now.
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