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ADDITION Self-Correcting Quiz - SEVENS

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