MULTIPLICATION Self-Correcting Quiz - Up Through 2x1

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