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ADDITION Self-Correcting Quiz - NINES

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