To moms everywhere, we dedicate today's Monday Math Square mentalfloss.com Brain Game challenge. Place the digits 1 through 9 in the white blanks so that the mathematical equations work both across and down. Each digit 1 through 9 should appear only once in the main grid (the red square). Here is the SOLUTION. NOTE: These puzzles rarely (but occasionally) have alternate solutions that fit the rules. If you find one of these, first make sure that you've followed the instructions to the... READ ON

Today's mentalfloss.com Brain Games challenge is a brand-new Monday Math Square. Good luck! Place the digits 1 through 9 in the white blanks so that the mathematical equations work both across and down. Each digit 1 through 9 should appear only once in the main grid (the red square). Here is the SOLUTION. NOTE: These puzzles rarely (but occasionally) have alternate solutions that fit the rules. If you find one of these, first make sure that you've followed the instructions to the letter,... READ ON

As has become the custom here at the mentalfloss.com Brain Game, we open the work week with a new Monday Math Square. Enjoy! Place the digits 1 through 9 in the white blanks so that the mathematical equations work both across and down. Each digit 1 through 9 should appear only once in the main grid (the red square). Here is the SOLUTION. NOTE: These puzzles rarely (but occasionally) have alternate solutions that fit the rules. If you find one of these, first make sure that... READ ON

Today's mentalfloss.com Brain Game is a new Monday Math Square. This one might be a little tougher than usual, so we've spotted you one digit (the 2) to help get you started. Good luck! The nine white squares inside the main red grid should be filled with the digits 1 through 9. Each digit should appear only once in this main grid (the red square). One digit is already provided for you. Place the remaining digits 1 through 9 in their correct spots so that the mathematical equations work both across and... READ ON