![]() ![]() The third green cell that shares the common row with the second green cell must be 7. The second green cell that shares the common column with the first green cell must be 4. If the second case is true, then the first green cell marked by an "*" is 2.Then the blue cell that shares the common 3x3 box with the yellow cell must be 7 since it will be the only place that the digit 7 can go in this 3x3 box. If the first case is true, then the first yellow cell marked by an "*" is 2.Let us follow the paths of these two cases: So there are two possible pisitions for the digit 2 in this 3x3 box. In the upper middle 3x3 box of this puzzle, the digit 2 is a candidate for exactly two cells (both marked by an "*") in that box. Actually this technique can also help to confirm a digit for a cell. The example above shows how we can eliminate a candidate from a cell. Therefore the digit 6 can be safely eliminated as a candidate from the blue cell. In either case, the blue cell cannot be 6. Now we can see the blue cell that shares the common row with the second green cell cannot be 6. The second green cell that shares the common column with the first green cell must be 6. If the second case is true, then the first green cell marked by an "*" is 1.Now we can see that the blue cell that shares the common column with the third yellow cell cannot be 6. The third yellow cell that shares the common row with the second yellow cell must be 6. The second yellow cell must be 4 since it will be the only place that the digit 4 can go in this 3x3 box. If the first case is true, then the first yellow cell marked by an "*" is 1.So there are two possible pisitions for the digit 1 in this 3x3 box. What color is missing?” or “This spot can’t be blue because there is a blue already in this row.In the upper middle 3x3 box of this puzzle, the digit 1 is a candidate for exactly two cells (both marked by an "*") in that box. Try thinking aloud with statements like, “Let’s look at this row. Tips: You many need to solve these puzzles along size your child until they get the hang of the goal of sudoku and how the puzzle is solved. Game Piece: Pom poms, magnets, Lego duplos, or bottle tops painted in those colors could also be substituted.ĭownload the Printable Sudoku Puzzles for Kids HERE! These puzzle cards are intended to be used with 1 inch foam blocks Move and arrange the different colors to solve the puzzles. Use all four colors, only once, in each column, row, and box. Simply download, print, and play these Color Sodoku Puzzles! Included: ![]()
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