A Math Crossword
Crossdigit
Math meets crosswords, one square at a time. Every clue is an equation; every answer is a number.
Math meets crosswords, one square at a time. Every clue is an equation; every answer is a number.
The solve-and-check rhythm of a crossword, paired with the quiet workout of mental math.
Each numbered entry is a small math problem — 12 + 7, 84 ÷ 6, or x² + 5 = 30.
The digits of the answer fill that row or column of the grid.
Crossing entries share a digit, so one confident answer unlocks the clues around it.
A generator builds a unique puzzle every time — adjust grid size and answer-digit range to taste.
Plays without a connection once installed. The timer freezes when you switch apps and resumes exactly where you left off.
A clean theme that follows your system, day or night.
The same Daily, Weekly, and Monthly puzzle for every player — build a streak on the calendar.
Solves are scored by difficulty and speed. Claim a display name or stay anonymous.
Zero login. A device-private ID syncs your stats without ever asking for an email.
Start gentle, ramp all the way to algebra — or build a Custom puzzle.
Addition and subtraction on a 6×6 grid.
Adds multiplication, 8×8.
Adds division, 10×10.
The full operator set on a denser 11×11 grid.
Algebra — solve for x — on a 12×12 grid.
Dial in your own grid size, digits, and clue mix.
Swipe to browse.
Free on iOS and Android.