|Calcudoku Puzzle-20 For Google Apps
Support brain health by solving Calcudoku puzzles. 6x6 grid follows basic Sudoku rules. Numbers can only appear once in each row, and once in each column. The blocks within the Calcudoku puzzle require solver to complete arithmetic operations: division, subtraction, multiplication and addition. Each block can have a number appear more than once. This is what makes these brain teasers so much fun!
Calcudoku puzzle is available as printable download and Google Apps™ version.