MULTIPLICATION Self-Correcting Quiz - Up Through the 2x2

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the self correcting quiz

1
1
x  7
2
0
x  4
3
7
x  0
4
1
x  1
5
0
x  6
6
0
x  3
7
8
x  1
8
0
x  1
9
0
x  9
10
1
x  4
11
0
x  2
12
1
x  5
13
5
x  0
14
6
x  1
15
2
x  1
16
2
x  2
17
1
x  9
18
1
x  3
19
0
x  8
20
2
x  2
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