The
Arithm
Attack
How many computer-generated arithmetic problems can you answer in 60 seconds?
1. Choose an operation:
2. Choose numbers from 0 to 12:
Add
Subtract
Multiply
Divide
Random operator
Choose high number:
1
2
3
4
5
6
7
8
9
10
11
12
Choose low number:
0
1
2
3
4
5
6
7
8
9
10
11
3. When you're ready, click
. To stop, click
.
4. Enter the answer and click "Check Answer":
=
seconds remaining
answered correctly
answered incorrectly
A gift to the children and math students of the world from the U.S. Department of Energy's
Argonne National Laboratory
.