Math

by Rick Yakubisin(Greensburg, PA) Any row, column or grid. Pick a candidate and count how many the chosen candidate is in the row, column or grid. Count the cells that are filled in for the row, column, or grid.  Add the two counts together.  Subtract from nine. If the number of integers in the remaining …

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Sudoku Puzzle Triplets — Identifying and Understanding

by Ed GLysson(Morgan Hill, CA) Sudoku Puzzle; Identifying and Understanding Triplets: The “Sudoku Puzzle — Triplets” example attached can be used as a visual aid to promote the the identification and understanding of a Sudoku Puzzle pattern that I call a “Triplet”. The black entries represent the original puzzle and the blue entries represent the …

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