Math crossword
puzzle online
Make all three rows and all three columns true.
A new UTC daily puzzle is ready. Your open board is kept until you switch.
Technical detail
Daily · UTC0 placed
0 / 6 equations correct
Numbers to place
Choose an empty square
Select an empty square, then choose a number.
Puzzle solved
Across and down, together
Each number belongs to one equation across and one down. Place every number from the tray. Given numbers stay fixed. An equation has one operation: read it left to right, or top to bottom.
Rules and a first move24 puzzles: 8 per level. Daily follows an 8-day UTC rotation in each level; puzzles repeat. Practice picks another puzzle from the selected level.