A crossword
made of equations
Cross Math puzzles are like crosswords with sums: drop the numbers from the tray into the blanks until every row and column is a true equation.
Free · Android · Works offline
Rules
How to play Cross Math
- Tap a number in the tray, then tap a blank cell to place it.
- Every row and column of the grid is an equation.
- A finished equation turns green when it is true, red when it isn't.
- Use all the numbers so every equation holds at once.
- Mistakes and hints cost stars; stars unlock later worlds.
Features
- 144 puzzles across 16 worlds, from small grids to big multi-step boards.
- Addition, subtraction, multiplication and division mixed together.
- Cross Math race: same board as a friend, first to solve wins.
FAQ
Questions
What is Cross Math?
Cross Math is a math puzzle laid out like a crossword. Each row and column forms an equation, and you fill the blanks so all of them are true.
Is Cross Math good for kids?
Yes. Early worlds use small numbers and simple sums, then build up gradually.