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ADDITION Self-Correcting Quiz - EIGHTS

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