Advertisement.

Learn a Fact: 2 x 1

Fact Navigator

You're learning

2

x1


2

1

x2


2

2
X 0
0
2
X 2
4
Name:
Picture Hints:

Click here to

START

the self correcting quiz

1
1
x  1
2
0
x  3
3
7
x  1
4
4
x  0
5
0
x  5
6
8
x  0
7
0
x  6
8
4
x  1
9
0
x  9
10
1
x  6
11
1
x  2
12
7
x  0
13
1
x  8
14
5
x  1
15
1
x  3
16
0
x  1
17
9
x  1
18
2
x  0
Advertisement