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ADDITION Self-Correcting Quiz - SEVENS

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