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ADDITION Self-Correcting Quiz - EIGHTS

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