Math Cross: the math crossword puzzle
A crossword made of equations. Every row and column is a calculation, and each number from the bank goes into exactly one empty cell.
How to play Math Cross
- 1
Read the board
Every row and every column is an equation.
- 2
Place a number
Tap a number in the bank, then tap an empty cell.
- 3
Each number once
Tap a placed number to take it back. A wrong number is rejected and bounces back to the bank.
- 4
Left to right
Equations are read left to right and top to bottom, without operator precedence.
The one rule that surprises people
How the levels grow
| Levels | Operations |
|---|---|
| 1–4 | Addition |
| 5–12 | + subtraction |
| 13–24 | + multiplication |
| 25+ | + division |
Boards grow from 7 equations to 14, with more empty cells, bigger numbers and longer chains of operations.
Solving tips
- 1
One gap first
A cell in an equation with only one empty spot can be calculated directly.
- 2
Use the bank
Each number is used once. If only one number fits a cell, it goes there and is gone for every other cell.
- 3
Crossings are the key
A number where two equations cross must work both across and down.
Frequently asked questions
What is a math crossword?
A grid where rows and columns form equations instead of words. You fill in the missing numbers so that every equation is correct.
Why is 3 + 4 × 2 equal to 14 here?
Each equation on the board is calculated strictly left to right, without operator precedence: 3 + 4 = 7, then 7 × 2 = 14.
Is Math Cross free?
It is a Premium game. New players get all Premium games free for the first 7 days, no card needed.
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