SudokuⓇ Sudoku® is a logic puzzle. Logic puzzles require "Since..., then... thinking to solve them. To solve a Sudoku®,

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Sudoku Sudoku Is A Logic Puzzle Logic Puzzles Require Since Then Thinking To Solve Them To Solve A Sudoku 1 (61.75 KiB) Viewed 127 times

SudokuⓇ Sudoku® is a logic puzzle. Logic puzzles require "Since..., then... thinking to solve them. To solve a Sudoku®, the digits 1 through 9 must appear in every row, in every column, and in every 3-by-3 box exactly once. In the example below, . since the only digits missing from column 1 are 7 and 8, and since there is a 7 in row 2 already, then a 7 belongs in the red square . since the bottom row contains an 8, and since the second from the bottom row contains an 8, then the only place that an 8 can be in the bottom-left 3-by-3 box is in the blue square 6 5 2 3 5 72 4 1 7 4 9 1 39 2 7 9 8 5 3 1 7 5 2 7 3 9 Material: . grid pa Sudoku BLM 3 2 9 8 5 2 1 8 1. Copy the puzzle above onto grid paper, or use the blackline master. Use "Since..., then... " logic to solve the puzzle. You can work with a partner or on your own. 2. Choose one answer that you recorded in the puzzle. Explain the logic you used to determine which digit belonged in that square. 3. How would your logic change if there were no 3-by-3 boxes in the puzzle and you had to consider only rows and columns?