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ADDITION Self-Correcting Quiz - SEVENS

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