Mathematic calculation can only be solved by using logic. Students were given one such activity on Saturday 23 April, 2016, SUDOKU. The task was to place the numbers from 1 to 9 into the empty cells in such a way that in every row, column and 3×3 region each number appears only once. Sudoku is extremely productive in terms of bringing a sense of calm and order. Most importantly it is a comprehension game which will help in improving the comprehension of complex situations and ideas.