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ADDITION Self-Correcting Quiz - Up Through the ONES

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