MULTIPLICATION Self-Correcting Quiz - Up Through 2x1

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