Choose a difficulty...

'Easy' games have between 6 and 10 different solutions.

'Medium' games have between 3 and 5 different solutions.

'Hard' games have either 1 or 2 solutions.

Try to make the target using the 4 numbers given. You must use each card exactly once. You may only use the four operations and brackets in your solution.

'Easy' games have between 6 and 10 different solutions.

'Medium' games have between 3 and 5 different solutions.

'Hard' games have either 1 or 2 solutions.

Choose a difficulty...

'Easy' games have between 6 and 10 different solutions.

'Medium' games have between 3 and 5 different solutions.

'Hard' games have either 1 or 2 solutions.