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ADDITION Self-Correcting Quiz - EIGHTS

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