ADDITION Self-Correcting Quiz - EIGHTS

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