A new math puzzle every day

equ8 is a free daily math puzzle. Everyone in the world gets the same numbers and the same target. You have until the next puzzle unlocks to find the best equations.

Free in your browser. Also on iPhone and Android.

How to play

• Use the numbers you're given to make equations that equal the target.
• Use each number at most once per equation. Operators can repeat.
• Each number and operator you use is worth 1 point.

Read the full how to play guide.

Why play every day

• It takes a few minutes. One puzzle a day fits into a coffee break.
• Streaks. Play daily to build yours.
• Fair comparisons. Everyone plays the same puzzle, so the daily leaderboard means something.
• Room to grow. Solve every equation to unlock Expert Mode, which adds parentheses.

Brush up on the math

• Order of operations (PEMDAS)
• Dividing by fractions
• Subtracting negative numbers

Questions

Is equ8 for kids?

It's made for adults and older kids who are comfortable with arithmetic. Because everyone gets the same puzzle, it also works as a quick shared warm-up in a classroom.

Is it free?

Yes. The daily puzzle is free. An optional Pro plan adds the puzzle archive and unlimited practice.