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ADDITION Self-Correcting Quiz - NINES

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