How to play?
Place the numbers 1 to 9 in the grid. Don’t repeat any numbers.
The calculation of each row and each column should match the indicated target.
Click to select a game.
HELP
How to play
Use numbers 1 to 9 and don’t repeat any numbers.
The calculation of each row and each column should match the indicated target.
Click to select which game you want to play. For example the ++ game or the +− game.
Each game calculates the numbers in a different way. Try them all.
Examples:
++
Rows: 6+2+3 = 11 5+4+7 = 16 … etc.
Columns: 6+5+1 = 12 … etc.
−−
Rows: 9−6−7 = −4 8−1−4 = 3 … etc.
Columns: 9−8−3 = −2 … etc.
+−
Rows: 4+1−2 = 3 7+3−5 = 5 … etc.
Columns: 4+7−8 = 3 … etc.
××
Rows: 4×5×8 = 160 2×6×1 = 12 … etc.
Columns: 4×2×7 = 56 … etc.
×+
Rows: 9×1+5 = 14 2×3+6 = 12 … etc.
Columns: 9×2+8 = 26 … etc.
×−
Rows: 1×5−9 = −4 2×6−3 = 9 … etc.
Columns: 1×2−8 = −6 … etc.
STATISTICS
One 2 Nine saves your personal stats to the device or browser you play on. If your browser data are cleared, your personal statistics will be erased as well.
One 2 Nine v3.2 2024-04-17
2024 Hein Bijlmakers
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SELECT A GAME
Each game uses a different combination of addition “+”, subtraction “−” and multiplication “×” to calculate the target values.
The −− and the +− games are usually the most difficult ones.